diff --git a/src/main/java/org/withtime/be/withtimebe/domain/date/preference/controller/DatePreferenceController.java b/src/main/java/org/withtime/be/withtimebe/domain/date/preference/controller/DatePreferenceController.java
index fb0a73c..33a1f73 100644
--- a/src/main/java/org/withtime/be/withtimebe/domain/date/preference/controller/DatePreferenceController.java
+++ b/src/main/java/org/withtime/be/withtimebe/domain/date/preference/controller/DatePreferenceController.java
@@ -12,6 +12,7 @@
 import org.withtime.be.withtimebe.domain.date.preference.dto.DatePreferenceResponseDTO;
 import org.withtime.be.withtimebe.domain.date.preference.entity.enums.PreferenceType;
 import org.withtime.be.withtimebe.domain.date.preference.service.command.DatePreferenceTestCommandService;
+import org.withtime.be.withtimebe.domain.date.preference.service.command.DatePreferenceTestResultCommandService;
 import org.withtime.be.withtimebe.domain.date.preference.service.query.DatePreferenceDescriptionQueryService;
 import org.withtime.be.withtimebe.domain.date.preference.service.query.DatePreferenceQuestionQueryService;
 import org.withtime.be.withtimebe.domain.date.preference.service.query.DatePreferenceTypeRelationQueryService;
@@ -25,6 +26,7 @@
 public class DatePreferenceController {
 
     private final DatePreferenceTestCommandService datePreferenceTestCommandService;
+    private final DatePreferenceTestResultCommandService datePreferenceTestResultCommandService;
     private final DatePreferenceTypeRelationQueryService datePreferenceTypeRelationQueryService;
     private final DatePreferenceDescriptionQueryService datePreferenceDescriptionQueryService;
     private final DatePreferenceQuestionQueryService datePreferenceQuestionQueryService;
@@ -76,4 +78,11 @@ public DefaultResponse<DatePreferenceResponseDTO.FindRelationType> findRelationT
         return DefaultResponse.ok(datePreferenceTypeRelationQueryService.findTypeRelations(type));
     }
 
+    @Operation(summary = "유형 데이터 초기화 API by 요시", description = "로그인된 사용자의 취향 데이터를 초기화하는 API")
+    @DeleteMapping
+    public DefaultResponse<Void> resetDatePreferenceData(@AuthenticatedMember Member member) {
+        datePreferenceTestResultCommandService.resetDatePreferenceData(member);
+        return DefaultResponse.noContent();
+    }
+
 }
diff --git a/src/main/java/org/withtime/be/withtimebe/domain/date/preference/repository/DatePreferenceTestResultRepository.java b/src/main/java/org/withtime/be/withtimebe/domain/date/preference/repository/DatePreferenceTestResultRepository.java
index d614183..4cc9f3f 100644
--- a/src/main/java/org/withtime/be/withtimebe/domain/date/preference/repository/DatePreferenceTestResultRepository.java
+++ b/src/main/java/org/withtime/be/withtimebe/domain/date/preference/repository/DatePreferenceTestResultRepository.java
@@ -1,7 +1,9 @@
 package org.withtime.be.withtimebe.domain.date.preference.repository;
 
 import org.withtime.be.withtimebe.domain.date.preference.entity.DatePreferenceTestResult;
+import org.withtime.be.withtimebe.domain.member.entity.Member;
 
 public interface DatePreferenceTestResultRepository {
     DatePreferenceTestResult save(DatePreferenceTestResult datePreferenceTestResult);
+    void deleteAllByMember(Member member);
 }
diff --git a/src/main/java/org/withtime/be/withtimebe/domain/date/preference/service/command/DatePreferenceTestResultCommandImpl.java b/src/main/java/org/withtime/be/withtimebe/domain/date/preference/service/command/DatePreferenceTestResultCommandImpl.java
new file mode 100644
index 0000000..2e8a2a4
--- /dev/null
+++ b/src/main/java/org/withtime/be/withtimebe/domain/date/preference/service/command/DatePreferenceTestResultCommandImpl.java
@@ -0,0 +1,20 @@
+package org.withtime.be.withtimebe.domain.date.preference.service.command;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.withtime.be.withtimebe.domain.date.preference.repository.DatePreferenceTestResultRepository;
+import org.withtime.be.withtimebe.domain.member.entity.Member;
+
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class DatePreferenceTestResultCommandImpl implements DatePreferenceTestResultCommandService {
+
+    private final DatePreferenceTestResultRepository datePreferenceTestResultRepository;
+
+    @Override
+    public void resetDatePreferenceData(Member member) {
+        datePreferenceTestResultRepository.deleteAllByMember(member);
+    }
+}
diff --git a/src/main/java/org/withtime/be/withtimebe/domain/date/preference/service/command/DatePreferenceTestResultCommandService.java b/src/main/java/org/withtime/be/withtimebe/domain/date/preference/service/command/DatePreferenceTestResultCommandService.java
new file mode 100644
index 0000000..f303bdd
--- /dev/null
+++ b/src/main/java/org/withtime/be/withtimebe/domain/date/preference/service/command/DatePreferenceTestResultCommandService.java
@@ -0,0 +1,7 @@
+package org.withtime.be.withtimebe.domain.date.preference.service.command;
+
+import org.withtime.be.withtimebe.domain.member.entity.Member;
+
+public interface DatePreferenceTestResultCommandService {
+    void resetDatePreferenceData(Member member);
+}
diff --git a/src/main/java/org/withtime/be/withtimebe/domain/member/controller/MemberController.java b/src/main/java/org/withtime/be/withtimebe/domain/member/controller/MemberController.java
index f801797..2e727c2 100644
--- a/src/main/java/org/withtime/be/withtimebe/domain/member/controller/MemberController.java
+++ b/src/main/java/org/withtime/be/withtimebe/domain/member/controller/MemberController.java
@@ -25,7 +25,7 @@ public class MemberController {
     private final MemberCommandService memberCommandService;
     private final MemberQueryService memberQueryService;
 
-    @Operation(summary = "비밀번호 변경 API", description = "현재 비밀번호가 맞으면 새로운 비밀번호로 변경")
+    @Operation(summary = "비밀번호 변경 API by 요시", description = "현재 비밀번호가 맞으면 새로운 비밀번호로 변경")
     @ApiResponses({
             @ApiResponse(responseCode = "204", description = "비밀번호 변경 성공"),
             @ApiResponse(
@@ -58,7 +58,7 @@ public DefaultResponse<Void> changePassword(@AuthenticatedMember Member member,
         return DefaultResponse.noContent();
     }
 
-    @Operation(summary = "사용자 정보 변경 API", description = "사용자 정보 변경, 사용자를 쿠키로 인식하여 정보를 변경")
+    @Operation(summary = "사용자 정보 변경 API by 요시", description = "사용자 정보 변경, 사용자를 쿠키로 인식하여 정보를 변경")
     @ApiResponses({
             @ApiResponse(responseCode = "200", description = "정보 변경 성공"),
             @ApiResponse(
@@ -76,7 +76,7 @@ public DefaultResponse<MemberResponseDTO.ChangeInfo> changeInfo(@AuthenticatedMe
         return DefaultResponse.ok(MemberConverter.toChangeInfo(updatedMember));
     }
 
-    @Operation(summary = "회원 탈퇴하기 API", description = "로그인된 토큰을 이용하여 회원 탈퇴하는 API")
+    @Operation(summary = "회원 탈퇴하기 API by 요시", description = "로그인된 토큰을 이용하여 회원 탈퇴하는 API")
     @ApiResponse(responseCode = "204", description = "회원 탈퇴 성공 (soft delete)")
     @DeleteMapping
     public DefaultResponse<Void> deleteMember(@AuthenticatedMember Member member) {
@@ -84,7 +84,7 @@ public DefaultResponse<Void> deleteMember(@AuthenticatedMember Member member) {
         return DefaultResponse.noContent();
     }
 
-    @Operation(summary = "사용자 정보 가져오는 API", description = "로그인된 사용자 정보 가져오는 API")
+    @Operation(summary = "사용자 정보 가져오는 API by 요시", description = "로그인된 사용자 정보 가져오는 API")
     @ApiResponse(responseCode = "200", description = "사용자 정보를 가져왔습니다.")
     @GetMapping("/infos")
     public DefaultResponse<MemberResponseDTO.MemberInfo> getMemberInfo(@AuthenticatedMember Member member) {