diff --git a/src/main/java/com/softeer/backend/fo_domain/user/controller/LoginController.java b/src/main/java/com/softeer/backend/fo_domain/user/controller/LoginController.java
new file mode 100644
index 00000000..28a394b6
--- /dev/null
+++ b/src/main/java/com/softeer/backend/fo_domain/user/controller/LoginController.java
@@ -0,0 +1,27 @@
+package com.softeer.backend.fo_domain.user.controller;
+
+import com.softeer.backend.fo_domain.user.dto.LoginRequest;
+import com.softeer.backend.fo_domain.user.dto.UserTokenResponse;
+import com.softeer.backend.fo_domain.user.service.LoginService;
+import com.softeer.backend.global.common.code.status.SuccessStatus;
+import com.softeer.backend.global.common.response.ResponseDto;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+public class LoginController {
+
+    private final LoginService loginService;
+
+    @PostMapping("/login")
+    ResponseDto<UserTokenResponse> handleLogin(@Valid @ModelAttribute LoginRequest loginRequest){
+        UserTokenResponse userTokenResponse = loginService.handleLogin(loginRequest);
+
+        return ResponseDto.onSuccess(SuccessStatus._LOGIN_SUCCESS, userTokenResponse);
+    }
+
+}
diff --git a/src/main/java/com/softeer/backend/fo_domain/user/domain/User.java b/src/main/java/com/softeer/backend/fo_domain/user/domain/User.java
index 748b7c5c..08190156 100644
--- a/src/main/java/com/softeer/backend/fo_domain/user/domain/User.java
+++ b/src/main/java/com/softeer/backend/fo_domain/user/domain/User.java
@@ -11,7 +11,10 @@
 @AllArgsConstructor
 @Getter
 @Builder
-@Table(name = "users")
+@Table(name = "users",
+        indexes = {
+        @Index(name = "idx_users_phone_number", columnList = "phoneNumber")
+        })
 public class User {
     @Id
     @Column(name = "user_id")
@@ -24,6 +27,9 @@ public class User {
     @Column(name = "phone_number")
     private String phoneNumber;
 
+    @Column(name = "privacy_consent")
+    private boolean privacyConsent;
+
     @Column(name = "marketing_consent")
     private boolean marketingConsent;
 }
diff --git a/src/main/java/com/softeer/backend/fo_domain/user/dto/LoginRequest.java b/src/main/java/com/softeer/backend/fo_domain/user/dto/LoginRequest.java
new file mode 100644
index 00000000..e6b08071
--- /dev/null
+++ b/src/main/java/com/softeer/backend/fo_domain/user/dto/LoginRequest.java
@@ -0,0 +1,27 @@
+package com.softeer.backend.fo_domain.user.dto;
+
+import com.softeer.backend.global.common.constant.ValidationConstant;
+import jakarta.validation.constraints.Pattern;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@Builder
+@AllArgsConstructor
+public class LoginRequest {
+
+    private String name;
+
+    @Pattern(regexp = ValidationConstant.PHONE_NUMBER_REGEX,
+            message = ValidationConstant.PHONE_NUMBER_MSG)
+    private String phoneNumber;
+
+    private boolean isCodeVerified;
+
+    private boolean privacyConsent;
+
+    private boolean marketingConsent;
+}
diff --git a/src/main/java/com/softeer/backend/fo_domain/user/repository/UserRepository.java b/src/main/java/com/softeer/backend/fo_domain/user/repository/UserRepository.java
index 041e2550..09ce0ec8 100644
--- a/src/main/java/com/softeer/backend/fo_domain/user/repository/UserRepository.java
+++ b/src/main/java/com/softeer/backend/fo_domain/user/repository/UserRepository.java
@@ -6,4 +6,7 @@
 
 @Repository
 public interface UserRepository extends JpaRepository<User, Integer> {
+    boolean existsByPhoneNumber(String phoneNumber);
+
+    User findByPhoneNumber(String phoneNumber);
 }
diff --git a/src/main/java/com/softeer/backend/fo_domain/user/service/LoginService.java b/src/main/java/com/softeer/backend/fo_domain/user/service/LoginService.java
new file mode 100644
index 00000000..abde08e4
--- /dev/null
+++ b/src/main/java/com/softeer/backend/fo_domain/user/service/LoginService.java
@@ -0,0 +1,65 @@
+package com.softeer.backend.fo_domain.user.service;
+
+import com.softeer.backend.fo_domain.user.domain.User;
+import com.softeer.backend.fo_domain.user.dto.LoginRequest;
+import com.softeer.backend.fo_domain.user.dto.UserTokenResponse;
+import com.softeer.backend.fo_domain.user.exception.UserException;
+import com.softeer.backend.fo_domain.user.repository.UserRepository;
+import com.softeer.backend.global.common.code.status.ErrorStatus;
+import com.softeer.backend.global.common.constant.RoleType;
+import com.softeer.backend.global.common.entity.JwtClaimsDto;
+import com.softeer.backend.global.util.JwtUtil;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class LoginService {
+
+    private final UserRepository userRepository;
+    private final JwtUtil jwtUtil;
+
+    /**
+     * 1. Login 정보애서 인증 번호가 인증되지 않은 경우, 예외가 발생한다.
+     * 2. 전화번호가 User DB에 등록되어 있지 않은 경우, DB에 User를 등록한다.
+     * 3. 전화번호가 이미 User DB에 등록되어 있는 경우, 전화번호로 User 객체를 조회한다.
+     * 4. User 객체의 id를 얻은 후에, access & refresh token을 client에게 전달한다.
+     */
+    @Transactional
+    public UserTokenResponse handleLogin(LoginRequest loginRequest) {
+
+        // 인증번호가 인증 되지 않은 경우, 예외 발생
+        if(!loginRequest.isCodeVerified())
+            throw new UserException(ErrorStatus._AUTH_CODE_NOT_VERIFIED);
+
+        int userId;
+
+        // 전화번호가 User DB에 등록되어 있지 않은 경우
+        // User를 DB에 등록
+        if(!userRepository.existsByPhoneNumber(loginRequest.getPhoneNumber())){
+            User user = User.builder()
+                    .name(loginRequest.getName())
+                    .phoneNumber(loginRequest.getPhoneNumber())
+                    .privacyConsent(loginRequest.isPrivacyConsent())
+                    .marketingConsent(loginRequest.isMarketingConsent())
+                    .build();
+
+            User registeredUser = userRepository.save(user);
+            userId = registeredUser.getId();
+        }
+        // 전화번호가 이미 User DB에 등록되어 있는 경우
+        // 전화번호로 User 객체 조회
+        else{
+            User user = userRepository.findByPhoneNumber(loginRequest.getPhoneNumber());
+            userId = user.getId();
+        }
+
+        return jwtUtil.createServiceToken(JwtClaimsDto.builder()
+                .id(userId)
+                .roleType(RoleType.ROLE_USER)
+                .build());
+
+    }
+
+}
diff --git a/src/main/java/com/softeer/backend/global/common/code/status/ErrorStatus.java b/src/main/java/com/softeer/backend/global/common/code/status/ErrorStatus.java
index 04d3c0ee..cfdd84da 100644
--- a/src/main/java/com/softeer/backend/global/common/code/status/ErrorStatus.java
+++ b/src/main/java/com/softeer/backend/global/common/code/status/ErrorStatus.java
@@ -48,6 +48,7 @@ public enum ErrorStatus implements BaseErrorCode {
             "인증 코드의 인증 횟수를 초과하였습니다. 인증 코드 발급 API를 호출하세요."),
     _AUTH_CODE_ISSUE_LIMIT_EXCEEDED(HttpStatus.BAD_REQUEST, "AUTH_CODE_ISSUE_LIMIT_EXCEEDED",
             "인증 코드 발급 횟수를 초과하였습니다. 나중에 다시 시도하세요."),
+    _AUTH_CODE_NOT_VERIFIED(HttpStatus.BAD_REQUEST, "_AUTH_CODE_NOT_VERIFIED", "인증되지 않은 상태에서 로그인 할 수 없습니다."),
 
     // Share Error
     _SHARE_URL_NOT_FOUND(HttpStatus.NOT_FOUND, "SHARE_URL_NOT_FOUND", "공유 url이 없습니다."),
diff --git a/src/main/java/com/softeer/backend/global/common/code/status/SuccessStatus.java b/src/main/java/com/softeer/backend/global/common/code/status/SuccessStatus.java
index b0b6a639..81686442 100644
--- a/src/main/java/com/softeer/backend/global/common/code/status/SuccessStatus.java
+++ b/src/main/java/com/softeer/backend/global/common/code/status/SuccessStatus.java
@@ -21,7 +21,10 @@ public enum SuccessStatus implements BaseCode {
 
     // 전화번호 인증
     _VERIFICATION_SEND(HttpStatus.OK, "VERIFICATION_SEND", "전화번호 인증 코드 전송 성공"),
-    _VERIFICATION_CONFIRM(HttpStatus.OK, "VERIFICATION_CONFIRM", "전화번호 인증 코드 검증 성공");
+    _VERIFICATION_CONFIRM(HttpStatus.OK, "VERIFICATION_CONFIRM", "전화번호 인증 코드 검증 성공"),
+
+    // 로그인
+    _LOGIN_SUCCESS(HttpStatus.OK, "LOGIN_SUCCESS", "로그인 성공");
 
     // 예외의 Http 상태값
     private final HttpStatus httpStatus;
diff --git a/src/test/java/com/softeer/backend/BackendApplicationTests.java b/src/test/java/com/softeer/backend/BackendApplicationTests.java
index 777b1248..a5a1fc3a 100644
--- a/src/test/java/com/softeer/backend/BackendApplicationTests.java
+++ b/src/test/java/com/softeer/backend/BackendApplicationTests.java
@@ -9,5 +9,4 @@ class BackendApplicationTests {
 	@Test
 	void contextLoads() {
 	}
-
 }