diff --git a/backend/memetory/src/main/java/com/example/memetory/domain/auth/dto/LoginRequest.java b/backend/memetory/src/main/java/com/example/memetory/domain/auth/dto/LoginRequest.java
index 32e8390..90fa79e 100644
--- a/backend/memetory/src/main/java/com/example/memetory/domain/auth/dto/LoginRequest.java
+++ b/backend/memetory/src/main/java/com/example/memetory/domain/auth/dto/LoginRequest.java
@@ -17,4 +17,6 @@ public class LoginRequest {
 	private String token;
 	@Schema(description = "인증서버타입, google, kakao 가능")
 	private SocialType socialType;
+	@Schema(description = "사용자의 기기 fcm 토큰")
+	private String fcmToken;
 }
diff --git a/backend/memetory/src/main/java/com/example/memetory/domain/auth/service/AuthService.java b/backend/memetory/src/main/java/com/example/memetory/domain/auth/service/AuthService.java
index 81d6813..788dbed 100644
--- a/backend/memetory/src/main/java/com/example/memetory/domain/auth/service/AuthService.java
+++ b/backend/memetory/src/main/java/com/example/memetory/domain/auth/service/AuthService.java
@@ -13,6 +13,7 @@
 import com.example.memetory.global.security.jwt.service.JwtService;
 
 import jakarta.servlet.http.HttpServletResponse;
+import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 
 @Service
@@ -22,9 +23,11 @@ public class AuthService {
 	private final OAuth2ProviderService oAuth2ProviderService;
 	private final JwtService jwtService;
 
+	@Transactional
 	public void authenticateOrRegisterUser(LoginRequest loginRequest, HttpServletResponse response) {
 		OAuth2UserInfo userInfo = oAuth2ProviderService.getUserInfo(loginRequest);
 		Member member = findOrElseRegisterMember(userInfo, loginRequest.getSocialType());
+		member.updateFcmToken(loginRequest.getFcmToken());
 		jwtService.sendAccessAndRefreshToken(response, member.getEmail());
 	}
 
diff --git a/backend/memetory/src/main/java/com/example/memetory/domain/member/entity/Member.java b/backend/memetory/src/main/java/com/example/memetory/domain/member/entity/Member.java
index a49bb9c..6a5de30 100644
--- a/backend/memetory/src/main/java/com/example/memetory/domain/member/entity/Member.java
+++ b/backend/memetory/src/main/java/com/example/memetory/domain/member/entity/Member.java
@@ -31,6 +31,7 @@ public class Member extends BaseEntity {
 	private String nickname;
 	private String name;
 	private String imageUrl;
+	private String fcmToken;
 
 	@Enumerated(EnumType.STRING)
 	private Role role;
@@ -41,12 +42,13 @@ public class Member extends BaseEntity {
 	private String socialId;
 
 	@Builder
-	public Member(String email, String nickname, String name, String imageUrl, Role role, SocialType socialType,
-		String socialId) {
+	public Member(String email, String nickname, String name, String imageUrl, String fcmToken, Role role,
+		SocialType socialType, String socialId) {
 		this.email = email;
 		this.nickname = nickname;
 		this.name = name;
 		this.imageUrl = imageUrl;
+		this.fcmToken = fcmToken;
 		this.role = role;
 		this.socialType = socialType;
 		this.socialId = socialId;
@@ -57,4 +59,8 @@ public void update(MemberServiceDto memberServiceDto) {
 		this.nickname = memberServiceDto.getNickname();
 		this.imageUrl = memberServiceDto.getImageUrl();
 	}
+
+	public void updateFcmToken(String fcmToken) {
+		this.fcmToken = fcmToken;
+	}
 }
diff --git a/backend/memetory/src/test/java/com/example/memetory/domain/auth/AuthFixture.java b/backend/memetory/src/test/java/com/example/memetory/domain/auth/AuthFixture.java
index d34639b..b963654 100644
--- a/backend/memetory/src/test/java/com/example/memetory/domain/auth/AuthFixture.java
+++ b/backend/memetory/src/test/java/com/example/memetory/domain/auth/AuthFixture.java
@@ -4,7 +4,6 @@
 
 import com.example.memetory.domain.auth.dto.LoginRequest;
 import com.example.memetory.domain.member.entity.SocialType;
-import com.example.memetory.global.security.jwt.dto.TokenResponse;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
@@ -16,18 +15,11 @@ public static String JSON_GOOGLE_LOGIN_REQUEST() throws JsonProcessingException
 	}
 
 	public static LoginRequest GOOGLE_LOGIN_REQUEST() {
-		return new LoginRequest("google login token", SocialType.GOOGLE);
+		return new LoginRequest("google login token", SocialType.GOOGLE, "fcmToken");
 	}
 
-	public static String JSON_TOKEN_RESPONSE() throws JsonProcessingException {
-		return mapper.writeValueAsString(TOKEN_RESPONSE());
-	}
-
-	public static TokenResponse TOKEN_RESPONSE() {
-		return TokenResponse.builder()
-			.accessToken("access token")
-			.refreshToken("refresh token")
-			.build();
+	public static LoginRequest GOOGLE_LOGIN_REQUEST_OTHER_FCM_TOKE() {
+		return new LoginRequest("google login token", SocialType.GOOGLE, "fcmToken");
 	}
 
 	public static String JSON_GOOGLE_OAUTH2_RESPONSE() throws JsonProcessingException {
diff --git a/backend/memetory/src/test/java/com/example/memetory/domain/auth/AuthIntegrationTest.java b/backend/memetory/src/test/java/com/example/memetory/domain/auth/AuthIntegrationTest.java
index 0c54278..18dee52 100644
--- a/backend/memetory/src/test/java/com/example/memetory/domain/auth/AuthIntegrationTest.java
+++ b/backend/memetory/src/test/java/com/example/memetory/domain/auth/AuthIntegrationTest.java
@@ -10,6 +10,7 @@
 import org.springframework.http.MediaType;
 
 import com.example.memetory.domain.auth.dto.LoginRequest;
+import com.example.memetory.domain.member.entity.Member;
 import com.example.memetory.global.integration.BaseIntegrationTest;
 import com.example.memetory.global.integration.MockServer;
 import com.example.memetory.global.security.jwt.dto.TokenResponse;
@@ -51,6 +52,10 @@ void Given_LoginRequest_When_login_Then_CreateMember() throws JsonProcessingExce
 		TokenResponse result = response.as(TokenResponse.class, ObjectMapperType.JACKSON_2);
 
 		// then
+		checkTokenResponse(result);
+	}
+
+	private void checkTokenResponse(TokenResponse result) {
 		assertTrue(jwtService.isTokenValid(result.getAccessToken()));
 		assertTrue(jwtService.isTokenValid(result.getRefreshToken()));
 	}
@@ -59,7 +64,7 @@ void Given_LoginRequest_When_login_Then_CreateMember() throws JsonProcessingExce
 	@Test
 	void Given_LoginRequest_When_login_Then_Return_HttpStatus_OK() throws JsonProcessingException {
 		// given
-		LoginRequest loginRequest = GOOGLE_LOGIN_REQUEST();
+		LoginRequest loginRequest = GOOGLE_LOGIN_REQUEST_OTHER_FCM_TOKE();
 
 		MockServer.startOauth2GoogleServerFromLoginRequest(loginRequest);
 
@@ -80,7 +85,12 @@ void Given_LoginRequest_When_login_Then_Return_HttpStatus_OK() throws JsonProces
 		TokenResponse result = response.as(TokenResponse.class, ObjectMapperType.JACKSON_2);
 
 		// then
-		assertTrue(jwtService.isTokenValid(result.getAccessToken()));
-		assertTrue(jwtService.isTokenValid(result.getRefreshToken()));
+		checkMemberFcmTokenUpdate(loginRequest);
+		checkTokenResponse(result);
+	}
+
+	private void checkMemberFcmTokenUpdate(LoginRequest loginRequest) {
+		Member updateMember = memberRepository.findById(member.getId()).get();
+		assertEquals(updateMember.getFcmToken(), loginRequest.getFcmToken());
 	}
 }