diff --git a/src/main/java/com/neighbors/tohero/application/letter/dto/GetMyLettersResponse.java b/src/main/java/com/neighbors/tohero/application/letter/dto/GetMyLettersResponse.java
index f9beb09..d7e93f5 100644
--- a/src/main/java/com/neighbors/tohero/application/letter/dto/GetMyLettersResponse.java
+++ b/src/main/java/com/neighbors/tohero/application/letter/dto/GetMyLettersResponse.java
@@ -2,8 +2,6 @@
 
 import com.neighbors.tohero.domain.domain.mainPage.model.Letter;
 
-import java.text.Format;
-import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.List;
 
@@ -16,7 +14,8 @@ public record MyLetterInfo(
             String from,
             String createdAt,
             boolean isOpened,
-            String content
+            String content,
+            boolean isPublic
     ){
         public static MyLetterInfo from(Letter letter){
             return new MyLetterInfo(
@@ -25,7 +24,9 @@ public static MyLetterInfo from(Letter letter){
                     letter.getWriter(),
                     letter.getCreatedDate().format(DateTimeFormatter.ofPattern("YY.MM.dd")),
                     letter.isOpened(),
-                    letter.getLetterContent());
+                    letter.getLetterContent(),
+                    letter.isPublic()
+            );
         }
     }
 
diff --git a/src/main/java/com/neighbors/tohero/application/user/dto/SignOutRequest.java b/src/main/java/com/neighbors/tohero/application/user/dto/SignOutRequest.java
new file mode 100644
index 0000000..a592886
--- /dev/null
+++ b/src/main/java/com/neighbors/tohero/application/user/dto/SignOutRequest.java
@@ -0,0 +1,16 @@
+package com.neighbors.tohero.application.user.dto;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import jakarta.validation.constraints.NotBlank;
+import org.hibernate.validator.constraints.Length;
+
+public record SignOutRequest(
+        @NotBlank
+        @Length(min = 1, max = 30)
+        String reasonCategory,
+
+        @JsonInclude(JsonInclude.Include.NON_NULL)
+        @Length(min = 1, max = 500)
+        String opinionForService
+) {
+}
diff --git a/src/main/java/com/neighbors/tohero/application/user/service/UserService.java b/src/main/java/com/neighbors/tohero/application/user/service/UserService.java
index 3ff2cc9..7180d30 100644
--- a/src/main/java/com/neighbors/tohero/application/user/service/UserService.java
+++ b/src/main/java/com/neighbors/tohero/application/user/service/UserService.java
@@ -5,12 +5,14 @@
 import com.neighbors.tohero.application.baseResponse.BaseResponseStatus;
 import com.neighbors.tohero.application.user.dto.AuthenticateUserRequest;
 import com.neighbors.tohero.application.user.dto.AuthenticateUserResponse;
+import com.neighbors.tohero.application.user.dto.SignOutRequest;
 import com.neighbors.tohero.common.enums.Role;
 import com.neighbors.tohero.common.jwt.AuthTokens;
 import com.neighbors.tohero.common.jwt.JwtProvider;
 import com.neighbors.tohero.common.jwt.JwtUserDetails;
 import com.neighbors.tohero.domain.domain.user.model.User;
 import com.neighbors.tohero.domain.domain.user.service.CreateUser;
+import com.neighbors.tohero.domain.domain.user.service.CreateUserOpinion;
 import com.neighbors.tohero.domain.domain.user.service.DeleteUser;
 import com.neighbors.tohero.domain.domain.user.service.UpdateUser;
 import jakarta.servlet.http.HttpSession;
@@ -25,6 +27,7 @@ public class UserService {
     private final CreateUser createUser;
     private final DeleteUser deleteUser;
     private final JwtProvider jwtProvider;
+    private final CreateUserOpinion createUserOpinion;
 
     public BaseResponse updateUserName(long userId, String nickname){
 
@@ -51,9 +54,10 @@ public BaseResponse logout(HttpSession httpSession){
         );
     }
 
-    public BaseResponse signout(JwtUserDetails jwtUserDetails, HttpSession httpSession){
+    public BaseResponse signout(JwtUserDetails jwtUserDetails, HttpSession httpSession, SignOutRequest signOutRequest){
         httpSession.invalidate();
 
+        createUserOpinion.createSignOutOpinion(signOutRequest.reasonCategory(), signOutRequest.opinionForService(), jwtUserDetails.getEmail());
         deleteUser.signout(jwtUserDetails.getUserId());
 
         return new BaseResponse<>(
diff --git a/src/main/java/com/neighbors/tohero/common/config/SecurityConfig.java b/src/main/java/com/neighbors/tohero/common/config/SecurityConfig.java
index 904afd1..5525eae 100644
--- a/src/main/java/com/neighbors/tohero/common/config/SecurityConfig.java
+++ b/src/main/java/com/neighbors/tohero/common/config/SecurityConfig.java
@@ -82,6 +82,7 @@ public CorsFilter corsFilter() {
         List<String> allowedOrigins = new ArrayList<>();
         allowedOrigins.add("https://glittery-madeleine-215e2f.netlify.app");
         allowedOrigins.add("https://tohero.co.kr");
+        allowedOrigins.add("http://localhost:5173");
         config.setAllowedOrigins(allowedOrigins); // 여러 도메인 추가
         config.setAllowedMethods(List.of("GET", "POST", "PUT", "DELETE", "OPTIONS")); // 허용할 HTTP 메서드
         config.setAllowedHeaders(List.of("*")); // 모든 헤더 허용
diff --git a/src/main/java/com/neighbors/tohero/domain/domain/user/model/UserOpinion.java b/src/main/java/com/neighbors/tohero/domain/domain/user/model/UserOpinion.java
new file mode 100644
index 0000000..86b728b
--- /dev/null
+++ b/src/main/java/com/neighbors/tohero/domain/domain/user/model/UserOpinion.java
@@ -0,0 +1,13 @@
+package com.neighbors.tohero.domain.domain.user.model;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class UserOpinion {
+    private int opinionId;
+    private String signOutCategory;
+    private String adviceForService;
+    private String userEmail;
+}
diff --git a/src/main/java/com/neighbors/tohero/domain/domain/user/service/CreateUserOpinion.java b/src/main/java/com/neighbors/tohero/domain/domain/user/service/CreateUserOpinion.java
new file mode 100644
index 0000000..cce5b7b
--- /dev/null
+++ b/src/main/java/com/neighbors/tohero/domain/domain/user/service/CreateUserOpinion.java
@@ -0,0 +1,24 @@
+package com.neighbors.tohero.domain.domain.user.service;
+
+import com.neighbors.tohero.common.annotaion.DomainService;
+import com.neighbors.tohero.domain.domain.user.model.UserOpinion;
+import com.neighbors.tohero.domain.query.UserOpinionRepository;
+import lombok.RequiredArgsConstructor;
+
+@DomainService
+@RequiredArgsConstructor
+public class CreateUserOpinion {
+
+    private final UserOpinionRepository userOpinionRepository;
+
+    public void createSignOutOpinion(String signOutCategory, String adviceForService, String email){
+
+        UserOpinion userOpinion = UserOpinion.builder()
+                .signOutCategory(signOutCategory)
+                .adviceForService(adviceForService)
+                .userEmail(email)
+                .build();
+
+        userOpinionRepository.createSignOutOpinion(userOpinion);
+    }
+}
diff --git a/src/main/java/com/neighbors/tohero/domain/query/UserOpinionRepository.java b/src/main/java/com/neighbors/tohero/domain/query/UserOpinionRepository.java
new file mode 100644
index 0000000..3dfe015
--- /dev/null
+++ b/src/main/java/com/neighbors/tohero/domain/query/UserOpinionRepository.java
@@ -0,0 +1,7 @@
+package com.neighbors.tohero.domain.query;
+
+import com.neighbors.tohero.domain.domain.user.model.UserOpinion;
+
+public interface UserOpinionRepository {
+    void createSignOutOpinion(UserOpinion userOpinion);
+}
diff --git a/src/main/java/com/neighbors/tohero/infrastructure/entity/UserOpinionEntity.java b/src/main/java/com/neighbors/tohero/infrastructure/entity/UserOpinionEntity.java
new file mode 100644
index 0000000..1fa0e0c
--- /dev/null
+++ b/src/main/java/com/neighbors/tohero/infrastructure/entity/UserOpinionEntity.java
@@ -0,0 +1,33 @@
+package com.neighbors.tohero.infrastructure.entity;
+
+import jakarta.persistence.*;
+import lombok.Builder;
+
+@Entity
+@Table(name = "`UserOpinion`")
+public class UserOpinionEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "user_opinion_id")
+    long userOpinionId;
+
+    @Column(name = "signout_category")
+    String signOutCategory;
+
+    @Column(name = "advice_for_service")
+    String adviceForService;
+
+    @Column(name = "user_email")
+    String userEmail;
+
+    private UserOpinionEntity(String signOutCategory, String adviceForService, String email){
+        this.signOutCategory = signOutCategory;
+        this.adviceForService = adviceForService;
+        this.userEmail = email;
+    }
+
+    public static UserOpinionEntity of(String signOutCategory, String adviceForService, String email) {
+        return new UserOpinionEntity(signOutCategory, adviceForService, email);
+    }
+}
diff --git a/src/main/java/com/neighbors/tohero/infrastructure/mapper/UserOpinionMapper.java b/src/main/java/com/neighbors/tohero/infrastructure/mapper/UserOpinionMapper.java
new file mode 100644
index 0000000..c254c45
--- /dev/null
+++ b/src/main/java/com/neighbors/tohero/infrastructure/mapper/UserOpinionMapper.java
@@ -0,0 +1,13 @@
+package com.neighbors.tohero.infrastructure.mapper;
+
+import com.neighbors.tohero.domain.domain.user.model.UserOpinion;
+import com.neighbors.tohero.infrastructure.entity.UserOpinionEntity;
+import org.springframework.stereotype.Component;
+
+@Component
+public class UserOpinionMapper {
+
+    public UserOpinionEntity toEntity(UserOpinion userOpinion) {
+        return UserOpinionEntity.of(userOpinion.getSignOutCategory(), userOpinion.getAdviceForService(), userOpinion.getUserEmail());
+    }
+}
diff --git a/src/main/java/com/neighbors/tohero/infrastructure/query/impl/UserOpinionRepositoryImpl.java b/src/main/java/com/neighbors/tohero/infrastructure/query/impl/UserOpinionRepositoryImpl.java
new file mode 100644
index 0000000..e0e38b7
--- /dev/null
+++ b/src/main/java/com/neighbors/tohero/infrastructure/query/impl/UserOpinionRepositoryImpl.java
@@ -0,0 +1,23 @@
+package com.neighbors.tohero.infrastructure.query.impl;
+
+import com.neighbors.tohero.domain.domain.user.model.UserOpinion;
+import com.neighbors.tohero.domain.query.UserOpinionRepository;
+import com.neighbors.tohero.infrastructure.entity.UserOpinionEntity;
+import com.neighbors.tohero.infrastructure.mapper.UserOpinionMapper;
+import com.neighbors.tohero.infrastructure.repository.UserOpinionEntityRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+@Repository
+@RequiredArgsConstructor
+public class UserOpinionRepositoryImpl implements UserOpinionRepository {
+
+    private final UserOpinionMapper userOpinionMapper;
+    private final UserOpinionEntityRepository userOpinionEntityRepository;
+
+    @Override
+    public void createSignOutOpinion(UserOpinion userOpinion) {
+        UserOpinionEntity userOpinionEntity = userOpinionMapper.toEntity(userOpinion);
+        userOpinionEntityRepository.save(userOpinionEntity);
+    }
+}
diff --git a/src/main/java/com/neighbors/tohero/infrastructure/repository/UserOpinionEntityRepository.java b/src/main/java/com/neighbors/tohero/infrastructure/repository/UserOpinionEntityRepository.java
new file mode 100644
index 0000000..0cc1b42
--- /dev/null
+++ b/src/main/java/com/neighbors/tohero/infrastructure/repository/UserOpinionEntityRepository.java
@@ -0,0 +1,9 @@
+package com.neighbors.tohero.infrastructure.repository;
+
+import com.neighbors.tohero.infrastructure.entity.UserOpinionEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UserOpinionEntityRepository extends JpaRepository<UserOpinionEntity, Long> {
+}
diff --git a/src/main/java/com/neighbors/tohero/presentation/controller/UserController.java b/src/main/java/com/neighbors/tohero/presentation/controller/UserController.java
index a129096..dffe015 100644
--- a/src/main/java/com/neighbors/tohero/presentation/controller/UserController.java
+++ b/src/main/java/com/neighbors/tohero/presentation/controller/UserController.java
@@ -2,6 +2,7 @@
 
 import com.neighbors.tohero.application.baseResponse.BaseResponse;
 import com.neighbors.tohero.application.user.dto.AuthenticateUserRequest;
+import com.neighbors.tohero.application.user.dto.SignOutRequest;
 import com.neighbors.tohero.application.user.dto.UpdateUserName;
 import com.neighbors.tohero.application.user.service.UserService;
 import com.neighbors.tohero.common.jwt.JwtUserDetails;
@@ -50,9 +51,10 @@ public ResponseEntity<BaseResponse> logout(@Parameter(hidden=true) HttpSession h
     @PostMapping("/signout")
     public ResponseEntity<BaseResponse> signout(
             @Parameter(hidden=true) @AuthenticationPrincipal JwtUserDetails jwtUserDetail,
-            @Parameter(hidden=true) HttpSession httpSession
+            @Parameter(hidden=true) HttpSession httpSession,
+            @RequestBody @Validated SignOutRequest signOutRequest
     ){
         return ResponseEntity.ok()
-                .body(userService.signout(jwtUserDetail, httpSession));
+                .body(userService.signout(jwtUserDetail, httpSession, signOutRequest));
     }
 }