diff --git a/src/main/java/EatPic/spring/domain/user/converter/UserConverter.java b/src/main/java/EatPic/spring/domain/user/converter/UserConverter.java
index 5d395ea..5fb8b3b 100644
--- a/src/main/java/EatPic/spring/domain/user/converter/UserConverter.java
+++ b/src/main/java/EatPic/spring/domain/user/converter/UserConverter.java
@@ -12,6 +12,19 @@
 
 public class UserConverter {
 
+    // 이메일 회원가입
+    public static SignupResponseDTO toSignupResponseDTO(User user) {
+        return SignupResponseDTO.builder()
+                .role(user.getRole())
+                .userId(user.getId())
+                .email(user.getEmail())
+                .nameId(user.getNameId())
+                .nickname(user.getNickname())
+                .marketingAgreed(user.getMarketingAgreed())
+                .notificationAgreed(user.getNotificationAgreed())
+                .build();
+    }
+
     public static LoginResponseDTO toLoginResultDTO(User user, String accessToken, String refreshToken) {
         return LoginResponseDTO.builder()
                 .role(user.getRole())
@@ -119,5 +132,4 @@ public static CheckNicknameResponseDTO toCheckNicknameResponseDto(String nicknam
                 .isDuplicate(isDuplicate)
                 .build();
     }
-
 }
diff --git a/src/main/java/EatPic/spring/domain/user/dto/response/SignupResponseDTO.java b/src/main/java/EatPic/spring/domain/user/dto/response/SignupResponseDTO.java
index f89973a..070274f 100644
--- a/src/main/java/EatPic/spring/domain/user/dto/response/SignupResponseDTO.java
+++ b/src/main/java/EatPic/spring/domain/user/dto/response/SignupResponseDTO.java
@@ -16,6 +16,5 @@ public class SignupResponseDTO {
     private String nickname;             // 닉네임
     private Boolean marketingAgreed;     // 마케팅 수신 동의 여부
     private Boolean notificationAgreed;  // 알림 수신 동의 여부
-    private String message;              // 예: "회원가입이 완료되었습니다."
 }
 
diff --git a/src/main/java/EatPic/spring/domain/user/service/UserServiceImpl.java b/src/main/java/EatPic/spring/domain/user/service/UserServiceImpl.java
index 44ad5df..602c383 100644
--- a/src/main/java/EatPic/spring/domain/user/service/UserServiceImpl.java
+++ b/src/main/java/EatPic/spring/domain/user/service/UserServiceImpl.java
@@ -46,17 +46,17 @@ public class UserServiceImpl implements UserService{
     public SignupResponseDTO signup(SignupRequestDTO request) {
         // 이메일 중복 검사
         if (userRepository.existsByEmail(request.getEmail())) {
-            throw new IllegalArgumentException("이미 사용 중인 이메일입니다.");
+            throw new ExceptionHandler(ErrorStatus.DUPLICATE_EMAIL);
         }
 
         // 닉네임 중복 검사
         if (userRepository.existsByNickname(request.getNickname())) {
-            throw new IllegalArgumentException("이미 사용 중인 닉네임입니다.");
+            throw new ExceptionHandler(ErrorStatus.DUPLICATE_NICKNAME);
         }
 
         // 아이디 중복 검사
         if (userRepository.existsByNameId(request.getNameId())) {
-            throw new IllegalArgumentException("이미 사용 중인 아이디입니다.");
+            throw new ExceptionHandler(ErrorStatus.DUPLICATE_NAMEID);
         }
 
         // 저장
@@ -77,16 +77,7 @@ public SignupResponseDTO signup(SignupRequestDTO request) {
         userBadgeService.initializeUserBadges(savedUser);
 
         // DTO로 응답 생성
-        return SignupResponseDTO.builder()
-                .role(request.getRole())
-                .userId(savedUser.getId())
-                .email(savedUser.getEmail())
-                .nameId(savedUser.getNameId())
-                .nickname(savedUser.getNickname())
-                .marketingAgreed(savedUser.getMarketingAgreed())
-                .notificationAgreed(savedUser.getNotificationAgreed())
-                .message("회원가입이 완료되었습니다.")
-                .build();
+        return UserConverter.toSignupResponseDTO(savedUser);
     }
 
     // 로그인