diff --git a/src/main/java/org/bssm/attachit/domain/auth/presentation/AuthController.java b/src/main/java/org/bssm/attachit/domain/auth/presentation/AuthController.java
index 6c3b77f..52286c0 100644
--- a/src/main/java/org/bssm/attachit/domain/auth/presentation/AuthController.java
+++ b/src/main/java/org/bssm/attachit/domain/auth/presentation/AuthController.java
@@ -1,11 +1,13 @@
 package org.bssm.attachit.domain.auth.presentation;
 
+import jakarta.servlet.http.HttpServletRequest;
 import leehj050211.bsmOauth.exception.BsmOAuthCodeNotFoundException;
 import leehj050211.bsmOauth.exception.BsmOAuthInvalidClientException;
 import leehj050211.bsmOauth.exception.BsmOAuthTokenNotFoundException;
 import lombok.RequiredArgsConstructor;
 import org.bssm.attachit.domain.auth.presentation.dto.response.TokenResponse;
-import org.bssm.attachit.domain.auth.service.UserLoginService;
+import org.bssm.attachit.domain.auth.service.UserSignInService;
+import org.bssm.attachit.domain.auth.service.UserSignOutService;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
@@ -16,10 +18,16 @@
 @RequestMapping("/auth")
 public class AuthController {
 
-    private final UserLoginService userLoginService;
+    private final UserSignInService userSignInService;
+    private final UserSignOutService userSignOutService;
 
     @PostMapping
     public ResponseEntity<TokenResponse> signIn(@RequestParam("code") String code) throws BsmOAuthInvalidClientException, IOException, BsmOAuthCodeNotFoundException, BsmOAuthTokenNotFoundException {
-        return userLoginService.execute(code);
+        return userSignInService.execute(code);
+    }
+
+    @PostMapping("/signout")
+    public ResponseEntity<String> signOut(HttpServletRequest httpServletRequest) {
+        return userSignOutService.execute(httpServletRequest);
     }
 }
diff --git a/src/main/java/org/bssm/attachit/domain/auth/repository/RefreshTokenRepository.java b/src/main/java/org/bssm/attachit/domain/auth/repository/RefreshTokenRepository.java
index c19e448..49dd31f 100644
--- a/src/main/java/org/bssm/attachit/domain/auth/repository/RefreshTokenRepository.java
+++ b/src/main/java/org/bssm/attachit/domain/auth/repository/RefreshTokenRepository.java
@@ -11,4 +11,6 @@ public interface RefreshTokenRepository extends JpaRepository<RefreshToken, Long
     boolean existsByAccessToken(String token);
 
     Optional<RefreshToken> findByEmail(String email);
+
+    void deleteByRefreshToken(String refreshToken);
 }
diff --git a/src/main/java/org/bssm/attachit/domain/auth/service/UserLoginService.java b/src/main/java/org/bssm/attachit/domain/auth/service/UserSignInService.java
similarity index 98%
rename from src/main/java/org/bssm/attachit/domain/auth/service/UserLoginService.java
rename to src/main/java/org/bssm/attachit/domain/auth/service/UserSignInService.java
index f75d7c1..3231362 100644
--- a/src/main/java/org/bssm/attachit/domain/auth/service/UserLoginService.java
+++ b/src/main/java/org/bssm/attachit/domain/auth/service/UserSignInService.java
@@ -18,7 +18,7 @@
 
 @Service
 @RequiredArgsConstructor
-public class UserLoginService {
+public class UserSignInService {
 
     private final UserRepository userRepository;
     private final AuthProperties authProperties;
diff --git a/src/main/java/org/bssm/attachit/domain/auth/service/UserSignOutService.java b/src/main/java/org/bssm/attachit/domain/auth/service/UserSignOutService.java
new file mode 100644
index 0000000..3a816bc
--- /dev/null
+++ b/src/main/java/org/bssm/attachit/domain/auth/service/UserSignOutService.java
@@ -0,0 +1,28 @@
+package org.bssm.attachit.domain.auth.service;
+
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.RequiredArgsConstructor;
+import org.bssm.attachit.domain.auth.repository.RefreshTokenRepository;
+import org.bssm.attachit.global.jwt.exception.TokenNotFoundException;
+import org.bssm.attachit.global.jwt.util.JwtUtil;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class UserSignOutService {
+
+    private final RefreshTokenRepository refreshTokenRepository;
+    private final JwtUtil jwtUtil;
+
+    public ResponseEntity<String> execute(HttpServletRequest httpServletRequest) {
+        String refreshToken = httpServletRequest.getHeader("Authorization-refresh").split(" ")[1].trim();
+        if (refreshToken.isEmpty()) {
+            throw TokenNotFoundException.EXCEPTION;
+        }
+        refreshTokenRepository.deleteByRefreshToken(refreshToken);
+        return ResponseEntity.ok("success");
+    }
+}
diff --git a/src/main/java/org/bssm/attachit/global/error/GlobalExceptionHandler.java b/src/main/java/org/bssm/attachit/global/error/GlobalExceptionHandler.java
index fc86863..0e7c5c2 100644
--- a/src/main/java/org/bssm/attachit/global/error/GlobalExceptionHandler.java
+++ b/src/main/java/org/bssm/attachit/global/error/GlobalExceptionHandler.java
@@ -16,7 +16,7 @@ public ResponseEntity<ErrorResponse> handleGlobal(AttachItException e) {
         final ErrorCode errorCode = e.getErrorCode();
         log.error(
                 "\n" + "{\n" +
-                        "\t\"status\": " + errorCode.getStatus() + '\"' +
+                        "\t\"status\": " + errorCode.getStatus() +
                         ",\n\t\"message\": \"" + errorCode.getMessage() + '\"' +
                         "\n}"
         );
@@ -27,3 +27,4 @@ public ResponseEntity<ErrorResponse> handleGlobal(AttachItException e) {
                 HttpStatus.valueOf(errorCode.getStatus()));
     }
 }
+
diff --git a/src/main/java/org/bssm/attachit/global/error/exception/ErrorCode.java b/src/main/java/org/bssm/attachit/global/error/exception/ErrorCode.java
index b22db94..91540c2 100644
--- a/src/main/java/org/bssm/attachit/global/error/exception/ErrorCode.java
+++ b/src/main/java/org/bssm/attachit/global/error/exception/ErrorCode.java
@@ -1,12 +1,10 @@
 package org.bssm.attachit.global.error.exception;
 
-import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 @Getter
 @AllArgsConstructor
-@JsonFormat(shape = JsonFormat.Shape.OBJECT)
 public enum ErrorCode {
     USER_NOT_FOUND(404, "유저를 찾을 수 없습니다"),
 
diff --git a/src/main/java/org/bssm/attachit/global/jwt/filter/JwtFilter.java b/src/main/java/org/bssm/attachit/global/jwt/filter/JwtFilter.java
index 77c82f3..a022ca1 100644
--- a/src/main/java/org/bssm/attachit/global/jwt/filter/JwtFilter.java
+++ b/src/main/java/org/bssm/attachit/global/jwt/filter/JwtFilter.java
@@ -23,7 +23,6 @@ public class JwtFilter extends OncePerRequestFilter {
     @Override
     protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
         String token = jwtUtil.resolveToken(request);
-
         if (token != null && !token.isEmpty()) {
             if (!refreshTokenRepository.existsByAccessToken(token)) {
                 throw LoggedOutAccessTokenException.EXCEPTION;
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 607ffa3..f8fa750 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -10,7 +10,7 @@ spring:
       max-file-size: 20MB
 
   jpa:
-    show-sql: true
+    show-sql: false
     hibernate:
       ddl-auto: update
     open-in-view: false