diff --git a/apps/backend/package.json b/apps/backend/package.json
index c53ae47..8ae0d85 100644
--- a/apps/backend/package.json
+++ b/apps/backend/package.json
@@ -55,6 +55,7 @@
     "socket.io": "^4.8.1",
     "sqlite3": "^5.1.7",
     "typeorm": "^0.3.20",
+    "uuid": "^11.0.3",
     "ws": "^8.14.2",
     "y-prosemirror": "^1.2.12",
     "y-protocols": "^1.0.6",
diff --git a/apps/backend/src/auth/auth.controller.ts b/apps/backend/src/auth/auth.controller.ts
index ff4e1c3..d575c17 100644
--- a/apps/backend/src/auth/auth.controller.ts
+++ b/apps/backend/src/auth/auth.controller.ts
@@ -41,11 +41,13 @@ export class AuthController {
     // 네이버 인증 후 사용자 정보 반환
     const user = req.user;
 
-    // primary Key인 id 포함 payload 생성함
-    // TODO: 여기서 권한 추가해야함
+    // primary Key인 id 포함 payload 생성, access token 만들기
     const payload = { sub: user.id };
     const accessToken = this.tokenService.generateAccessToken(payload);
-    const refreshToken = this.tokenService.generateRefreshToken(payload);
+
+    // access token 만들어서 db에도 저장
+    const refreshToken = this.tokenService.generateRefreshToken();
+    this.authService.updateRefreshToken(user.id, refreshToken);
 
     // 토큰을 쿠키에 담아서 메인 페이지로 리디렉션
     this.tokenService.setAccessTokenCookie(res, accessToken);
@@ -67,11 +69,13 @@ export class AuthController {
     /// 카카오 인증 후 사용자 정보 반환
     const user = req.user;
 
-    // primary Key인 id 포함 payload 생성함
-    // TODO: 여기서 권한 추가해야함
+    // primary Key인 id 포함 payload 생성, access token 만들기
     const payload = { sub: user.id };
     const accessToken = this.tokenService.generateAccessToken(payload);
-    const refreshToken = this.tokenService.generateRefreshToken(payload);
+
+    // access token 만들어서 db에도 저장
+    const refreshToken = this.tokenService.generateRefreshToken();
+    this.authService.updateRefreshToken(user.id, refreshToken);
 
     // 토큰을 쿠키에 담아서 메인 페이지로 리디렉션
     this.tokenService.setAccessTokenCookie(res, accessToken);
@@ -94,7 +98,6 @@ export class AuthController {
 
   // 클라이언트가 사용자의 외부 id(snowflakeId) + 이름을 알 수 있는 엔드포인트
   // auth/profile
-  // TODO: 사용자 지정 닉네임 + 프로필 이미지도 return하게 확장
   @Get('profile')
   @UseGuards(JwtAuthGuard) // JWT 인증 검사
   async getProfile(@Req() req) {
diff --git a/apps/backend/src/auth/auth.service.ts b/apps/backend/src/auth/auth.service.ts
index 90c47ca..4d9b1ff 100644
--- a/apps/backend/src/auth/auth.service.ts
+++ b/apps/backend/src/auth/auth.service.ts
@@ -31,6 +31,7 @@ export class AuthService {
   async findUserById(id: number): Promise<User | null> {
     return await this.userRepository.findOneBy({ id });
   }
+
   async updateUser(id: number, dto: UpdateUserDto) {
     // 유저를 찾는다.
     const findUser = await this.userRepository.findOneBy({ id });
@@ -44,4 +45,34 @@ export class AuthService {
     const newPage = Object.assign({}, findUser, dto);
     await this.userRepository.save(newPage);
   }
+
+  async compareStoredRefreshToken(
+    id: number,
+    refreshToken: string,
+  ): Promise<boolean> {
+    // 유저를 찾는다.
+    const user = await this.userRepository.findOneBy({ id });
+
+    // 유저가 없으면 오류
+    if (!user) {
+      throw new UserNotFoundException();
+    }
+
+    // DB에 있는 값과 일치하는지 비교한다
+    return user.refreshToken === refreshToken;
+  }
+
+  async updateRefreshToken(id: number, refreshToken: string) {
+    // 유저를 찾는다.
+    const user = await this.userRepository.findOneBy({ id });
+
+    // 유저가 없으면 오류
+    if (!user) {
+      throw new UserNotFoundException();
+    }
+
+    // 유저의 현재 REFRESH TOKEN 갱신
+    user.refreshToken = refreshToken;
+    await this.userRepository.save(user);
+  }
 }
diff --git a/apps/backend/src/auth/token/token.service.ts b/apps/backend/src/auth/token/token.service.ts
index 3d1c499..802968c 100644
--- a/apps/backend/src/auth/token/token.service.ts
+++ b/apps/backend/src/auth/token/token.service.ts
@@ -1,6 +1,7 @@
 import { Injectable } from '@nestjs/common';
 import { JwtService } from '@nestjs/jwt';
 import { Response } from 'express';
+import { v4 as uuidv4 } from 'uuid';
 
 const HOUR = 60 * 60;
 const DAY = 24 * 60 * 60;
@@ -17,7 +18,10 @@ export class TokenService {
     });
   }
 
-  generateRefreshToken(payload: any): string {
+  generateRefreshToken(): string {
+    const payload = {
+      jti: uuidv4(),
+    };
     return this.jwtService.sign(payload, {
       expiresIn: FIVE_MONTHS,
     });
diff --git a/apps/backend/src/user/user.entity.ts b/apps/backend/src/user/user.entity.ts
index d4ecdd8..179aee2 100644
--- a/apps/backend/src/user/user.entity.ts
+++ b/apps/backend/src/user/user.entity.ts
@@ -36,6 +36,9 @@ export class User {
   @Column({ nullable: true })
   profileImage: string;
 
+  @Column({ nullable: true })
+  refreshToken: string;
+
   @CreateDateColumn()
   createdAt: Date;
 }
diff --git a/yarn.lock b/yarn.lock
index fa74113..ecc38d6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10798,6 +10798,11 @@ uuid@9.0.1, uuid@^9.0.0, uuid@^9.0.1:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-9.0.1.tgz#e188d4c8853cc722220392c424cd637f32293f30"
   integrity sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA==
 
+uuid@^11.0.3:
+  version "11.0.3"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-11.0.3.tgz#248451cac9d1a4a4128033e765d137e2b2c49a3d"
+  integrity sha512-d0z310fCWv5dJwnX1Y/MncBAqGMKEzlBb1AOf7z9K8ALnd0utBX/msg/fA0+sbyN1ihbMsLhrBlnl1ak7Wa0rg==
+
 uvu@^0.5.0:
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/uvu/-/uvu-0.5.6.tgz#2754ca20bcb0bb59b64e9985e84d2e81058502df"