diff --git a/chat/src/main/java/org/bookwoori/chat/domain/channelMessage/entity/ChannelMessage.java b/chat/src/main/java/org/bookwoori/chat/domain/channelMessage/entity/ChannelMessage.java
index 42d43111..a6c26834 100644
--- a/chat/src/main/java/org/bookwoori/chat/domain/channelMessage/entity/ChannelMessage.java
+++ b/chat/src/main/java/org/bookwoori/chat/domain/channelMessage/entity/ChannelMessage.java
@@ -1,8 +1,10 @@
 package org.bookwoori.chat.domain.channelMessage.entity;
 
 import java.time.LocalDateTime;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import lombok.AccessLevel;
@@ -13,6 +15,7 @@
 import org.bookwoori.chat.global.common.EmojiType;
 import org.bookwoori.chat.global.common.EventType;
 import org.bookwoori.chat.global.common.MessageType;
+import org.bookwoori.chat.global.common.dto.MemberProfileDto;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.annotation.Transient;
 import org.springframework.data.mongodb.core.mapping.Document;
@@ -46,6 +49,16 @@ public class ChannelMessage {
     /*
      * 데이터베이스에 저장되지 않는 필드
      */
+
+    @Transient
+    private String nickname;
+
+    @Transient
+    private String profileImg;
+
+    @Transient
+    private List<Long> target = new ArrayList<>();
+
     @Transient
     private Long parentMemberId;
 
@@ -77,6 +90,15 @@ public void modifyContent(String content) {
         this.modifiedAt = LocalDateTime.now();
     }
 
+    public void setProfile(MemberProfileDto profile) {
+        this.nickname = profile.nickname();
+        this.profileImg = profile.profileImg();
+    }
+
+    public void setTarget(List<Long> target) {
+        this.target = target;
+    }
+
     public void setEventType(EventType eventType) {
         this.eventType = eventType;
     }
diff --git a/chat/src/main/java/org/bookwoori/chat/domain/directMessage/entity/DirectMessage.java b/chat/src/main/java/org/bookwoori/chat/domain/directMessage/entity/DirectMessage.java
index 24efa9f6..3cfed816 100644
--- a/chat/src/main/java/org/bookwoori/chat/domain/directMessage/entity/DirectMessage.java
+++ b/chat/src/main/java/org/bookwoori/chat/domain/directMessage/entity/DirectMessage.java
@@ -1,8 +1,10 @@
 package org.bookwoori.chat.domain.directMessage.entity;
 
 import java.time.LocalDateTime;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import lombok.AccessLevel;
@@ -13,6 +15,7 @@
 import org.bookwoori.chat.global.common.EmojiType;
 import org.bookwoori.chat.global.common.EventType;
 import org.bookwoori.chat.global.common.MessageType;
+import org.bookwoori.chat.global.common.dto.MemberProfileDto;
 import org.springframework.data.annotation.Id;
 import org.springframework.data.annotation.Transient;
 import org.springframework.data.mongodb.core.mapping.Document;
@@ -46,6 +49,16 @@ public class DirectMessage {
     /*
      * 데이터베이스에 저장되지 않는 필드
      */
+
+    @Transient
+    private String nickname;
+
+    @Transient
+    private String profileImg;
+
+    @Transient
+    private List<Long> target = new ArrayList<>();
+
     @Transient
     private Long parentMemberId;
 
@@ -77,6 +90,15 @@ public void modifyContent(String content) {
         this.modifiedAt = LocalDateTime.now();
     }
 
+    public void setProfile(MemberProfileDto profile) {
+        this.nickname = profile.nickname();
+        this.profileImg = profile.profileImg();
+    }
+
+    public void setTarget(List<Long> target) {
+        this.target = target;
+    }
+
     public void setEventType(EventType eventType) {
         this.eventType = eventType;
     }
diff --git a/chat/src/main/java/org/bookwoori/chat/global/common/dto/MemberProfileDto.java b/chat/src/main/java/org/bookwoori/chat/global/common/dto/MemberProfileDto.java
new file mode 100644
index 00000000..1afef7e7
--- /dev/null
+++ b/chat/src/main/java/org/bookwoori/chat/global/common/dto/MemberProfileDto.java
@@ -0,0 +1,8 @@
+package org.bookwoori.chat.global.common.dto;
+
+public record MemberProfileDto(
+    String nickname,
+    String profileImg
+) {
+
+}
diff --git a/chat/src/main/java/org/bookwoori/chat/global/feignClient/CoreClient.java b/chat/src/main/java/org/bookwoori/chat/global/feignClient/CoreClient.java
index 22a9f124..a3193f60 100644
--- a/chat/src/main/java/org/bookwoori/chat/global/feignClient/CoreClient.java
+++ b/chat/src/main/java/org/bookwoori/chat/global/feignClient/CoreClient.java
@@ -1,8 +1,19 @@
 package org.bookwoori.chat.global.feignClient;
 
+import java.util.Map;
+import org.bookwoori.chat.global.common.dto.MemberProfileDto;
 import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 
 @FeignClient(name = "core", url = "${client.url.core}")
 public interface CoreClient {
 
+    @GetMapping("/messageRooms/{messageRoomId}/members")
+    Map<Long, MemberProfileDto> getParticipantsByMessageRoom(
+        @PathVariable("messageRoomId") Long messageRoomId);
+
+    @GetMapping("/channels/{channelId}/members")
+    Map<Long, MemberProfileDto> getParticipantsByChannel(
+        @PathVariable("channelId") Long channelId);
 }
diff --git a/chat/src/main/java/org/bookwoori/chat/global/feignClient/NotificationClient.java b/chat/src/main/java/org/bookwoori/chat/global/feignClient/NotificationClient.java
new file mode 100644
index 00000000..4ccd0dad
--- /dev/null
+++ b/chat/src/main/java/org/bookwoori/chat/global/feignClient/NotificationClient.java
@@ -0,0 +1,15 @@
+package org.bookwoori.chat.global.feignClient;
+
+import org.bookwoori.chat.global.feignClient.dto.MessageNotificationRequestDto;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.PostMapping;
+
+@FeignClient(name = "noti", url = "${client.url.notification}")
+public interface NotificationClient {
+
+    @PostMapping("notification-server/direct")
+    void sendDirectNotification(MessageNotificationRequestDto requestDto);
+
+    @PostMapping("notification-server/chat")
+    void sendChannelNotification(MessageNotificationRequestDto requestDto);
+}
diff --git a/chat/src/main/java/org/bookwoori/chat/global/feignClient/dto/MessageNotificationRequestDto.java b/chat/src/main/java/org/bookwoori/chat/global/feignClient/dto/MessageNotificationRequestDto.java
new file mode 100644
index 00000000..6e8ceb37
--- /dev/null
+++ b/chat/src/main/java/org/bookwoori/chat/global/feignClient/dto/MessageNotificationRequestDto.java
@@ -0,0 +1,49 @@
+package org.bookwoori.chat.global.feignClient.dto;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import jakarta.validation.constraints.NotNull;
+import lombok.Builder;
+import org.bookwoori.chat.domain.channelMessage.entity.ChannelMessage;
+import org.bookwoori.chat.domain.directMessage.entity.DirectMessage;
+
+@Builder
+public record MessageNotificationRequestDto(
+    @NotNull
+    Long memberId,
+    @NotNull
+    String nickname,
+    @NotNull
+    String type,
+    @NotNull
+    String content,
+    @JsonInclude(Include.NON_NULL)
+    Long roomId,
+    @JsonInclude(Include.NON_NULL)
+    Long channelId,
+    @NotNull
+    String target
+) {
+
+    public static MessageNotificationRequestDto from(DirectMessage directMessage) {
+        return MessageNotificationRequestDto.builder()
+            .memberId(directMessage.getMemberId())
+            .nickname(directMessage.getNickname())
+            .type("directMessage")
+            .content(directMessage.getContent())
+            .roomId(directMessage.getMessageRoomId())
+            .target(directMessage.getTarget().toString())
+            .build();
+    }
+
+    public static MessageNotificationRequestDto from(ChannelMessage channelMessage) {
+        return MessageNotificationRequestDto.builder()
+            .memberId(channelMessage.getMemberId())
+            .nickname(channelMessage.getNickname())
+            .type("channelMessage")
+            .content(channelMessage.getContent())
+            .channelId(channelMessage.getChannelId())
+            .target(channelMessage.getTarget().toString())
+            .build();
+    }
+}
diff --git a/chat/src/main/java/org/bookwoori/chat/global/kafka/MessageSender.java b/chat/src/main/java/org/bookwoori/chat/global/kafka/MessageSender.java
index d1715a9a..8969feed 100644
--- a/chat/src/main/java/org/bookwoori/chat/global/kafka/MessageSender.java
+++ b/chat/src/main/java/org/bookwoori/chat/global/kafka/MessageSender.java
@@ -1,5 +1,8 @@
 package org.bookwoori.chat.global.kafka;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.log4j.Log4j2;
 import org.bookwoori.chat.domain.channelMessage.dto.request.ChannelMessageDeleteRequestDto;
@@ -19,8 +22,12 @@
 import org.bookwoori.chat.global.common.ActionType;
 import org.bookwoori.chat.global.common.EventType;
 import org.bookwoori.chat.global.common.MessageType;
+import org.bookwoori.chat.global.common.dto.MemberProfileDto;
 import org.bookwoori.chat.global.exception.CustomException;
 import org.bookwoori.chat.global.exception.ErrorCode;
+import org.bookwoori.chat.global.feignClient.CoreClient;
+import org.bookwoori.chat.global.feignClient.NotificationClient;
+import org.bookwoori.chat.global.feignClient.dto.MessageNotificationRequestDto;
 import org.springframework.kafka.core.KafkaTemplate;
 import org.springframework.stereotype.Component;
 
@@ -32,10 +39,35 @@ public class MessageSender { //토픽에 이벤트를 발행
     private final KafkaTemplate<String, Object> kafkaTemplate;
     private final DirectMessageRepository directMessageRepository;
     private final ChannelMessageRepository channelMessageRepository;
+    private final CoreClient coreClient;
+    private final NotificationClient notificationClient;
 
     public void sendDirectMessage(DirectMessageSendRequestDto requestDto, Long memberId) {
         DirectMessage directMessage = requestDto.toEntity(memberId);
         directMessageRepository.save(directMessage);
+
+        try {
+            //알림 전송에 필요한 데이터 구성
+            Map<Long, MemberProfileDto> participants = coreClient.getParticipantsByMessageRoom(
+                requestDto.messageRoomId());
+            List<Long> target = new ArrayList<>();
+            for (Long key : participants.keySet()) {
+                if (key.equals(memberId)) {
+                    continue;
+                }
+                target.add(key);
+            }
+            directMessage.setProfile(participants.get(directMessage.getMemberId()));
+            directMessage.setTarget(target);
+
+            //알림 전송
+            notificationClient.sendDirectNotification(
+                MessageNotificationRequestDto.from(directMessage));
+        } catch (Exception e) {
+            log.error("Direct Message notification send Failed: {}", directMessage.getId());
+            log.error(e.getMessage());
+        }
+
         kafkaTemplate.send(KafkaConstants.DIRECT_CHAT_TOPIC, directMessage);
     }
 
@@ -98,6 +130,28 @@ public void deleteDirectMessage(DirectMessageDeleteRequestDto requestDto, Long m
     public void sendChannelMessage(ChannelMessageSendRequestDto requestDto, Long memberId) {
         ChannelMessage channelMessage = requestDto.toEntity(memberId);
         channelMessageRepository.save(channelMessage);
+
+        try {
+            //알림 전송에 필요한 데이터 구성
+            Map<Long, MemberProfileDto> participants = coreClient.getParticipantsByChannel(
+                requestDto.channelId());
+            List<Long> target = new ArrayList<>();
+            for (Long key : participants.keySet()) {
+                if (key.equals(memberId)) {
+                    continue;
+                }
+                target.add(key);
+            }
+            channelMessage.setProfile(participants.get(channelMessage.getMemberId()));
+            channelMessage.setTarget(target);
+            //알림 전송
+            notificationClient.sendChannelNotification(
+                MessageNotificationRequestDto.from(channelMessage));
+        } catch (Exception e) {
+            log.error("Channel Message notification send Failed: {}", channelMessage.getId());
+            log.error(e.getMessage());
+        }
+
         kafkaTemplate.send(KafkaConstants.CHANNEL_CHAT_TOPIC, channelMessage);
     }
 
diff --git a/core/src/main/java/org/bookwoori/core/domain/channel/controller/ChannelController.java b/core/src/main/java/org/bookwoori/core/domain/channel/controller/ChannelController.java
index 37b59972..b8417103 100644
--- a/core/src/main/java/org/bookwoori/core/domain/channel/controller/ChannelController.java
+++ b/core/src/main/java/org/bookwoori/core/domain/channel/controller/ChannelController.java
@@ -10,6 +10,7 @@
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PatchMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -46,4 +47,10 @@ public ResponseEntity<?> updateChannelName(@PathVariable final Long channelId,
         channelFacade.modifyChannel(channelId, requestDto);
         return ResponseEntity.ok().build();
     }
+
+    //@Operation(summary = "(채팅) 채널 참여자 정보 조회", description = "(채팅) 채널에 참여하고 있는 회원들의 정보를 조회합니다.")
+    @GetMapping("/{channelId}/members")
+    public ResponseEntity<?> getParticipants(@PathVariable final Long channelId) {
+        return ResponseEntity.ok(channelFacade.getParticipants(channelId));
+    }
 }
diff --git a/core/src/main/java/org/bookwoori/core/domain/channel/facade/ChannelFacade.java b/core/src/main/java/org/bookwoori/core/domain/channel/facade/ChannelFacade.java
index d7a72a4e..c49ddeff 100644
--- a/core/src/main/java/org/bookwoori/core/domain/channel/facade/ChannelFacade.java
+++ b/core/src/main/java/org/bookwoori/core/domain/channel/facade/ChannelFacade.java
@@ -1,5 +1,8 @@
 package org.bookwoori.core.domain.channel.facade;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 import lombok.RequiredArgsConstructor;
 import org.bookwoori.core.domain.category.entity.Category;
 import org.bookwoori.core.domain.category.service.CategoryService;
@@ -7,6 +10,10 @@
 import org.bookwoori.core.domain.channel.dto.request.ChannelModifyRequestDto;
 import org.bookwoori.core.domain.channel.entity.Channel;
 import org.bookwoori.core.domain.channel.service.ChannelService;
+import org.bookwoori.core.domain.member.dto.response.MemberProfileResponseDto;
+import org.bookwoori.core.domain.member.entity.Member;
+import org.bookwoori.core.domain.server.entity.Server;
+import org.bookwoori.core.domain.serverMember.service.ServerMemberService;
 import org.bookwoori.core.global.exception.CustomException;
 import org.bookwoori.core.global.exception.ErrorCode;
 import org.springframework.stereotype.Component;
@@ -18,6 +25,7 @@ public class ChannelFacade {
 
     private final ChannelService channelService;
     private final CategoryService categoryService;
+    private final ServerMemberService serverMemberService;
 
     @Transactional
     public void createChannel(ChannelCreateRequestDto requestDto) {
@@ -54,4 +62,18 @@ public void deleteChannel(Long channelId) {
         channelService.detach(channel);
         channelService.deleteChannel(channel);
     }
+
+    @Transactional(readOnly = true)
+    public Map<Long, MemberProfileResponseDto> getParticipants(Long channelId) {
+        Server server = channelService.getChannelById(channelId).getCategory().getServer();
+        return createProfileMap(serverMemberService.getMembersByServer(server));
+    }
+
+    private Map<Long, MemberProfileResponseDto> createProfileMap(List<Member> members) {
+        Map<Long, MemberProfileResponseDto> map = new HashMap<>();
+        for (Member member : members) {
+            map.put(member.getMemberId(), MemberProfileResponseDto.from(member));
+        }
+        return map;
+    }
 }
diff --git a/core/src/main/java/org/bookwoori/core/domain/messageRoom/controller/MessageRoomController.java b/core/src/main/java/org/bookwoori/core/domain/messageRoom/controller/MessageRoomController.java
index 2c94ee40..6809ab25 100644
--- a/core/src/main/java/org/bookwoori/core/domain/messageRoom/controller/MessageRoomController.java
+++ b/core/src/main/java/org/bookwoori/core/domain/messageRoom/controller/MessageRoomController.java
@@ -8,6 +8,7 @@
 import org.bookwoori.core.domain.messageRoom.facade.MessageRoomFacade;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -36,4 +37,10 @@ public ResponseEntity<?> getMyMessageRoomList(@RequestParam(defaultValue = "0")
         return ResponseEntity.ok(messageRoomFacade.getMyMessageRoomList(page, size));
     }
 
+    //@Operation(summary = "DM 방 참여자 정보 조회", description = "DM 방에 참여하고 있는 회원들의 정보를 조회합니다.")
+    @GetMapping("/{messageRoomId}/members")
+    public ResponseEntity<?> getParticipants(@PathVariable final Long messageRoomId) {
+        return ResponseEntity.ok(messageRoomFacade.getParticipants(messageRoomId));
+    }
+
 }
diff --git a/core/src/main/java/org/bookwoori/core/domain/messageRoom/facade/MessageRoomFacade.java b/core/src/main/java/org/bookwoori/core/domain/messageRoom/facade/MessageRoomFacade.java
index ac05b314..7b847f80 100644
--- a/core/src/main/java/org/bookwoori/core/domain/messageRoom/facade/MessageRoomFacade.java
+++ b/core/src/main/java/org/bookwoori/core/domain/messageRoom/facade/MessageRoomFacade.java
@@ -1,6 +1,7 @@
 package org.bookwoori.core.domain.messageRoom.facade;
 
 import java.util.Comparator;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import lombok.RequiredArgsConstructor;
@@ -85,4 +86,18 @@ public MessageRoomListResponseDto getMyMessageRoomList(int page, int size) {
         return new MessageRoomListResponseDto(messageRoomItems);
     }
 
+    @Transactional(readOnly = true)
+    public Map<Long, MemberProfileResponseDto> getParticipants(Long messageRoomId) {
+        MessageRoom messageRoom = messageRoomService.getMessageRoomById(messageRoomId);
+        return createProfileMap(messageRoom.getSender(), messageRoom.getReceiver());
+    }
+
+    private Map<Long, MemberProfileResponseDto> createProfileMap(Member... members) {
+        Map<Long, MemberProfileResponseDto> map = new HashMap<>();
+        for (Member member : members) {
+            map.put(member.getMemberId(), MemberProfileResponseDto.from(member));
+        }
+        return map;
+    }
+
 }
diff --git a/core/src/main/java/org/bookwoori/core/domain/serverMember/repository/ServerMemberRepository.java b/core/src/main/java/org/bookwoori/core/domain/serverMember/repository/ServerMemberRepository.java
index 303174ad..f5806723 100644
--- a/core/src/main/java/org/bookwoori/core/domain/serverMember/repository/ServerMemberRepository.java
+++ b/core/src/main/java/org/bookwoori/core/domain/serverMember/repository/ServerMemberRepository.java
@@ -25,6 +25,9 @@ public interface ServerMemberRepository extends JpaRepository<ServerMember, Long
     @Query("SELECT sm FROM ServerMember sm JOIN FETCH sm.member WHERE sm.server = :server")
     List<ServerMember> findAllByServer(Server server);
 
+    @Query("SELECT sm.member FROM ServerMember sm WHERE sm.server = :server")
+    List<Member> findMembersByServer(Server server);
+
     Optional<ServerMember> findByMemberAndServer(Member member, Server server);
 
 
diff --git a/core/src/main/java/org/bookwoori/core/domain/serverMember/service/ServerMemberService.java b/core/src/main/java/org/bookwoori/core/domain/serverMember/service/ServerMemberService.java
index 32ca8d96..f34a5a3e 100644
--- a/core/src/main/java/org/bookwoori/core/domain/serverMember/service/ServerMemberService.java
+++ b/core/src/main/java/org/bookwoori/core/domain/serverMember/service/ServerMemberService.java
@@ -57,6 +57,11 @@ public List<ServerMemberDto> getAllMembersByServer(Server server) {
             .collect(Collectors.toList());
     }
 
+    @Transactional(readOnly = true)
+    public List<Member> getMembersByServer(Server server) {
+        return serverMemberRepository.findMembersByServer(server);
+    }
+
     @Transactional(readOnly = true)
     public List<Server> getServerListByMember(Member member) {
         return serverMemberRepository.findAllByMember(member).stream()
diff --git a/core/src/main/java/org/bookwoori/core/global/feignClient/ChatClient.java b/core/src/main/java/org/bookwoori/core/global/feignClient/ChatClient.java
index fc5cdb5b..a77ce134 100644
--- a/core/src/main/java/org/bookwoori/core/global/feignClient/ChatClient.java
+++ b/core/src/main/java/org/bookwoori/core/global/feignClient/ChatClient.java
@@ -7,10 +7,10 @@
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
-@FeignClient(name = "core", url = "${client.url.chat}")
+@FeignClient(name = "chat", url = "${client.url.chat}")
 public interface ChatClient {
 
     @GetMapping("/directMessages/recent")
-    public Map<Long, RecentDirectMessageResponseDto> getRecentMessageFromMessageRoom(
+    Map<Long, RecentDirectMessageResponseDto> getRecentMessageFromMessageRoom(
         @RequestParam("messageRoomIdList") List<Long> messageRoomIdList);
 }
diff --git a/notification/src/main/java/org/bookwoori/notification/domain/dto/request/ChatMessageRequestDto.java b/notification/src/main/java/org/bookwoori/notification/domain/dto/request/ChatMessageRequestDto.java
index 2d0df393..a2606424 100644
--- a/notification/src/main/java/org/bookwoori/notification/domain/dto/request/ChatMessageRequestDto.java
+++ b/notification/src/main/java/org/bookwoori/notification/domain/dto/request/ChatMessageRequestDto.java
@@ -16,7 +16,6 @@ public record ChatMessageRequestDto(
         @NotNull
         String content,
 
-        @NotNull
         String channelName,
 
         @NotNull
diff --git a/notification/src/main/java/org/bookwoori/notification/domain/dto/request/DirectMessageRequestDto.java b/notification/src/main/java/org/bookwoori/notification/domain/dto/request/DirectMessageRequestDto.java
index e049d739..3d18a234 100644
--- a/notification/src/main/java/org/bookwoori/notification/domain/dto/request/DirectMessageRequestDto.java
+++ b/notification/src/main/java/org/bookwoori/notification/domain/dto/request/DirectMessageRequestDto.java
@@ -16,7 +16,6 @@ public record DirectMessageRequestDto(
         @NotNull
         String content,
 
-        @NotNull
         String roomName,
 
         @NotNull
diff --git a/notification/src/main/java/org/bookwoori/notification/domain/dto/response/DeviceResponseDto.java b/notification/src/main/java/org/bookwoori/notification/domain/dto/response/DeviceResponseDto.java
index 06c7c049..1619e6ee 100644
--- a/notification/src/main/java/org/bookwoori/notification/domain/dto/response/DeviceResponseDto.java
+++ b/notification/src/main/java/org/bookwoori/notification/domain/dto/response/DeviceResponseDto.java
@@ -4,7 +4,7 @@
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
 import lombok.Builder;
-import org.bookwoori.notification.domain.Device;
+import org.bookwoori.notification.domain.entity.Device;
 import org.bookwoori.notification.domain.type.Platform;
 
 
diff --git a/notification/src/main/java/org/bookwoori/notification/domain/dto/response/DeviceTokenResponseDto.java b/notification/src/main/java/org/bookwoori/notification/domain/dto/response/DeviceTokenResponseDto.java
index 21f6d221..d645d432 100644
--- a/notification/src/main/java/org/bookwoori/notification/domain/dto/response/DeviceTokenResponseDto.java
+++ b/notification/src/main/java/org/bookwoori/notification/domain/dto/response/DeviceTokenResponseDto.java
@@ -4,7 +4,7 @@
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
 import lombok.Builder;
-import org.bookwoori.notification.domain.Device;
+import org.bookwoori.notification.domain.entity.Device;
 import org.bookwoori.notification.domain.type.Platform;
 
 
diff --git a/notification/src/main/java/org/bookwoori/notification/domain/BaseTimeEntity.java b/notification/src/main/java/org/bookwoori/notification/domain/entity/BaseTimeEntity.java
similarity index 91%
rename from notification/src/main/java/org/bookwoori/notification/domain/BaseTimeEntity.java
rename to notification/src/main/java/org/bookwoori/notification/domain/entity/BaseTimeEntity.java
index ac29b92f..81eac4cf 100644
--- a/notification/src/main/java/org/bookwoori/notification/domain/BaseTimeEntity.java
+++ b/notification/src/main/java/org/bookwoori/notification/domain/entity/BaseTimeEntity.java
@@ -1,4 +1,4 @@
-package org.bookwoori.notification.domain;
+package org.bookwoori.notification.domain.entity;
 
 import jakarta.persistence.EntityListeners;
 import jakarta.persistence.MappedSuperclass;
diff --git a/notification/src/main/java/org/bookwoori/notification/domain/Device.java b/notification/src/main/java/org/bookwoori/notification/domain/entity/Device.java
similarity index 95%
rename from notification/src/main/java/org/bookwoori/notification/domain/Device.java
rename to notification/src/main/java/org/bookwoori/notification/domain/entity/Device.java
index 204f1dc3..f4723572 100644
--- a/notification/src/main/java/org/bookwoori/notification/domain/Device.java
+++ b/notification/src/main/java/org/bookwoori/notification/domain/entity/Device.java
@@ -1,4 +1,4 @@
-package org.bookwoori.notification.domain;
+package org.bookwoori.notification.domain.entity;
 
 import jakarta.persistence.*;
 import lombok.AccessLevel;
diff --git a/notification/src/main/java/org/bookwoori/notification/domain/Notification.java b/notification/src/main/java/org/bookwoori/notification/domain/entity/Notification.java
similarity index 95%
rename from notification/src/main/java/org/bookwoori/notification/domain/Notification.java
rename to notification/src/main/java/org/bookwoori/notification/domain/entity/Notification.java
index eff801b7..228ba89e 100644
--- a/notification/src/main/java/org/bookwoori/notification/domain/Notification.java
+++ b/notification/src/main/java/org/bookwoori/notification/domain/entity/Notification.java
@@ -1,4 +1,4 @@
-package org.bookwoori.notification.domain;
+package org.bookwoori.notification.domain.entity;
 
 import lombok.*;
 import org.springframework.data.annotation.Id;
diff --git a/notification/src/main/java/org/bookwoori/notification/domain/repository/DeviceRepository.java b/notification/src/main/java/org/bookwoori/notification/domain/repository/DeviceRepository.java
index 5c8f5b19..b18c2bc1 100644
--- a/notification/src/main/java/org/bookwoori/notification/domain/repository/DeviceRepository.java
+++ b/notification/src/main/java/org/bookwoori/notification/domain/repository/DeviceRepository.java
@@ -1,7 +1,7 @@
 package org.bookwoori.notification.domain.repository;
 
 
-import org.bookwoori.notification.domain.Device;
+import org.bookwoori.notification.domain.entity.Device;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
diff --git a/notification/src/main/java/org/bookwoori/notification/domain/service/DeviceService.java b/notification/src/main/java/org/bookwoori/notification/domain/service/DeviceService.java
index 89889036..1342ce39 100644
--- a/notification/src/main/java/org/bookwoori/notification/domain/service/DeviceService.java
+++ b/notification/src/main/java/org/bookwoori/notification/domain/service/DeviceService.java
@@ -2,7 +2,7 @@
 
 
 import lombok.RequiredArgsConstructor;
-import org.bookwoori.notification.domain.Device;
+import org.bookwoori.notification.domain.entity.Device;
 import org.bookwoori.notification.domain.dto.request.RegisterRequestDto;
 import org.bookwoori.notification.domain.dto.response.DeviceResponseDto;
 import org.bookwoori.notification.global.exception.CustomException;
diff --git a/notification/src/main/java/org/bookwoori/notification/domain/service/NotificationService.java b/notification/src/main/java/org/bookwoori/notification/domain/service/NotificationService.java
index b69b7226..d55ea760 100644
--- a/notification/src/main/java/org/bookwoori/notification/domain/service/NotificationService.java
+++ b/notification/src/main/java/org/bookwoori/notification/domain/service/NotificationService.java
@@ -7,8 +7,8 @@
 import com.google.firebase.messaging.MulticastMessage;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.bookwoori.notification.domain.Device;
-import org.bookwoori.notification.domain.Notification;
+import org.bookwoori.notification.domain.entity.Device;
+import org.bookwoori.notification.domain.entity.Notification;
 import org.bookwoori.notification.domain.dto.request.ChannelMessageRequestDto;
 import org.bookwoori.notification.domain.dto.request.ChatMessageRequestDto;
 import org.bookwoori.notification.domain.dto.request.DirectMessageRequestDto;