diff --git a/src/main/java/com/tryna/domain/alarm/controller/AlarmController.java b/src/main/java/com/tryna/domain/reminder/controller/AlarmController.java
similarity index 83%
rename from src/main/java/com/tryna/domain/alarm/controller/AlarmController.java
rename to src/main/java/com/tryna/domain/reminder/controller/AlarmController.java
index 7db7c1b..9be0efa 100644
--- a/src/main/java/com/tryna/domain/alarm/controller/AlarmController.java
+++ b/src/main/java/com/tryna/domain/reminder/controller/AlarmController.java
@@ -1,18 +1,18 @@
-package com.tryna.domain.alarm.controller;
-
-import com.tryna.domain.alarm.controller.docs.AlarmControllerDocs;
-import com.tryna.domain.alarm.dto.ActionItemReminderResponse;
-import com.tryna.domain.alarm.dto.AlarmCorrectionResponse;
-import com.tryna.domain.alarm.dto.AlarmDetailResponse;
-import com.tryna.domain.alarm.dto.AlarmListResponse;
-import com.tryna.domain.alarm.dto.AlarmPushTokenRequest;
-import com.tryna.domain.alarm.dto.AlarmStateResponse;
-import com.tryna.domain.alarm.dto.EventReminderResponse;
-import com.tryna.domain.alarm.service.AlarmPushTokenService;
-import com.tryna.domain.alarm.service.AlarmQueryService;
-import com.tryna.domain.alarm.service.AlarmStateService;
-import com.tryna.domain.alarm.service.AlarmTermService;
+package com.tryna.domain.reminder.controller;
+
+import com.tryna.domain.reminder.controller.docs.AlarmControllerDocs;
+import com.tryna.domain.reminder.dto.ActionItemReminderResponse;
+import com.tryna.domain.reminder.dto.AlarmCorrectionResponse;
+import com.tryna.domain.reminder.dto.AlarmDetailResponse;
+import com.tryna.domain.reminder.dto.AlarmListResponse;
+import com.tryna.domain.reminder.dto.AlarmPushTokenRequest;
+import com.tryna.domain.reminder.dto.AlarmStateResponse;
+import com.tryna.domain.reminder.dto.EventReminderResponse;
+import com.tryna.domain.reminder.service.AlarmPushTokenService;
+import com.tryna.domain.reminder.service.AlarmQueryService;
 import com.tryna.domain.reminder.service.AlarmReminderScheduleService;
+import com.tryna.domain.reminder.service.AlarmStateService;
+import com.tryna.domain.reminder.service.AlarmTermService;
 import com.tryna.global.exception.AuthErrorCode;
 import com.tryna.global.exception.BusinessException;
 import com.tryna.global.response.ApiResponse;
@@ -45,10 +45,16 @@ public class AlarmController implements AlarmControllerDocs {
     @PostMapping("/term")
     @Override
     public ResponseEntity<ApiResponse<Void>> agreeAlarmTerm() {
-        alarmTermService.agreeAlarmTerm(resolveOptionalUserId());
+        boolean newlyAgreed = alarmTermService.agreeAlarmTerm(resolveOptionalUserId());
+
+        if (newlyAgreed) {
+            return ResponseEntity.ok(
+                    ApiResponse.success("F100_ALARM_TERM_200", "알람 약관 동의에 성공했습니다.", null)
+            );
+        }
 
         return ResponseEntity.ok(
-                ApiResponse.success("F100_ALARM_TERM_200", "알람 약관 동의에 성공했습니다.", null)
+                ApiResponse.success("F100_ALARM_TERM_200", "이미 알람 약관에 동의되어 있습니다.", null)
         );
     }
 
diff --git a/src/main/java/com/tryna/domain/alarm/controller/docs/AlarmControllerDocs.java b/src/main/java/com/tryna/domain/reminder/controller/docs/AlarmControllerDocs.java
similarity index 90%
rename from src/main/java/com/tryna/domain/alarm/controller/docs/AlarmControllerDocs.java
rename to src/main/java/com/tryna/domain/reminder/controller/docs/AlarmControllerDocs.java
index bf69219..d30e2de 100644
--- a/src/main/java/com/tryna/domain/alarm/controller/docs/AlarmControllerDocs.java
+++ b/src/main/java/com/tryna/domain/reminder/controller/docs/AlarmControllerDocs.java
@@ -1,12 +1,12 @@
-package com.tryna.domain.alarm.controller.docs;
+package com.tryna.domain.reminder.controller.docs;
 
-import com.tryna.domain.alarm.dto.ActionItemReminderResponse;
-import com.tryna.domain.alarm.dto.AlarmCorrectionResponse;
-import com.tryna.domain.alarm.dto.AlarmDetailResponse;
-import com.tryna.domain.alarm.dto.AlarmListResponse;
-import com.tryna.domain.alarm.dto.AlarmPushTokenRequest;
-import com.tryna.domain.alarm.dto.AlarmStateResponse;
-import com.tryna.domain.alarm.dto.EventReminderResponse;
+import com.tryna.domain.reminder.dto.ActionItemReminderResponse;
+import com.tryna.domain.reminder.dto.AlarmCorrectionResponse;
+import com.tryna.domain.reminder.dto.AlarmDetailResponse;
+import com.tryna.domain.reminder.dto.AlarmListResponse;
+import com.tryna.domain.reminder.dto.AlarmPushTokenRequest;
+import com.tryna.domain.reminder.dto.AlarmStateResponse;
+import com.tryna.domain.reminder.dto.EventReminderResponse;
 import com.tryna.global.response.ApiResponse;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
@@ -27,6 +27,7 @@ public interface AlarmControllerDocs {
             description = """
                     ALARM 약관에 동의하고 사용자의 알람 발송 상태(alarm_state)를 활성화합니다.
                     terms 테이블의 ALARM 약관에 대한 user_agreed_terms 이력을 생성합니다.
+                    이미 동의한 사용자가 재요청하면 200과 함께 이미 동의되어 있다는 메시지를 반환합니다.
                     """,
             operationId = "agreeAlarmTerm"
     )
diff --git a/src/main/java/com/tryna/domain/alarm/dto/ActionItemReminderResponse.java b/src/main/java/com/tryna/domain/reminder/dto/ActionItemReminderResponse.java
similarity index 93%
rename from src/main/java/com/tryna/domain/alarm/dto/ActionItemReminderResponse.java
rename to src/main/java/com/tryna/domain/reminder/dto/ActionItemReminderResponse.java
index 802f66f..e44e22a 100644
--- a/src/main/java/com/tryna/domain/alarm/dto/ActionItemReminderResponse.java
+++ b/src/main/java/com/tryna/domain/reminder/dto/ActionItemReminderResponse.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.dto;
+package com.tryna.domain.reminder.dto;
 
 import com.tryna.domain.reminder.entity.Reminders;
 
diff --git a/src/main/java/com/tryna/domain/alarm/dto/AlarmCorrectionResponse.java b/src/main/java/com/tryna/domain/reminder/dto/AlarmCorrectionResponse.java
similarity index 96%
rename from src/main/java/com/tryna/domain/alarm/dto/AlarmCorrectionResponse.java
rename to src/main/java/com/tryna/domain/reminder/dto/AlarmCorrectionResponse.java
index efbdf16..ea37b84 100644
--- a/src/main/java/com/tryna/domain/alarm/dto/AlarmCorrectionResponse.java
+++ b/src/main/java/com/tryna/domain/reminder/dto/AlarmCorrectionResponse.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.dto;
+package com.tryna.domain.reminder.dto;
 
 import com.tryna.domain.reminder.entity.Reminders;
 import com.tryna.domain.reminder.enums.TargetType;
diff --git a/src/main/java/com/tryna/domain/alarm/dto/AlarmDetailResponse.java b/src/main/java/com/tryna/domain/reminder/dto/AlarmDetailResponse.java
similarity index 96%
rename from src/main/java/com/tryna/domain/alarm/dto/AlarmDetailResponse.java
rename to src/main/java/com/tryna/domain/reminder/dto/AlarmDetailResponse.java
index 5611815..255ebff 100644
--- a/src/main/java/com/tryna/domain/alarm/dto/AlarmDetailResponse.java
+++ b/src/main/java/com/tryna/domain/reminder/dto/AlarmDetailResponse.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.dto;
+package com.tryna.domain.reminder.dto;
 
 import com.tryna.domain.reminder.entity.Reminders;
 import com.tryna.domain.reminder.enums.TargetType;
diff --git a/src/main/java/com/tryna/domain/alarm/dto/AlarmListResponse.java b/src/main/java/com/tryna/domain/reminder/dto/AlarmListResponse.java
similarity index 90%
rename from src/main/java/com/tryna/domain/alarm/dto/AlarmListResponse.java
rename to src/main/java/com/tryna/domain/reminder/dto/AlarmListResponse.java
index 2a3141d..0e05e30 100644
--- a/src/main/java/com/tryna/domain/alarm/dto/AlarmListResponse.java
+++ b/src/main/java/com/tryna/domain/reminder/dto/AlarmListResponse.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.dto;
+package com.tryna.domain.reminder.dto;
 
 import java.util.List;
 
diff --git a/src/main/java/com/tryna/domain/alarm/dto/AlarmPushTokenRequest.java b/src/main/java/com/tryna/domain/reminder/dto/AlarmPushTokenRequest.java
similarity index 91%
rename from src/main/java/com/tryna/domain/alarm/dto/AlarmPushTokenRequest.java
rename to src/main/java/com/tryna/domain/reminder/dto/AlarmPushTokenRequest.java
index 0517599..3a1be40 100644
--- a/src/main/java/com/tryna/domain/alarm/dto/AlarmPushTokenRequest.java
+++ b/src/main/java/com/tryna/domain/reminder/dto/AlarmPushTokenRequest.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.dto;
+package com.tryna.domain.reminder.dto;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotBlank;
diff --git a/src/main/java/com/tryna/domain/alarm/dto/AlarmStateResponse.java b/src/main/java/com/tryna/domain/reminder/dto/AlarmStateResponse.java
similarity index 82%
rename from src/main/java/com/tryna/domain/alarm/dto/AlarmStateResponse.java
rename to src/main/java/com/tryna/domain/reminder/dto/AlarmStateResponse.java
index 7a13355..4172585 100644
--- a/src/main/java/com/tryna/domain/alarm/dto/AlarmStateResponse.java
+++ b/src/main/java/com/tryna/domain/reminder/dto/AlarmStateResponse.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.dto;
+package com.tryna.domain.reminder.dto;
 
 public record AlarmStateResponse(
         boolean alarmState
diff --git a/src/main/java/com/tryna/domain/alarm/dto/EventReminderResponse.java b/src/main/java/com/tryna/domain/reminder/dto/EventReminderResponse.java
similarity index 93%
rename from src/main/java/com/tryna/domain/alarm/dto/EventReminderResponse.java
rename to src/main/java/com/tryna/domain/reminder/dto/EventReminderResponse.java
index 534b04c..df43cfa 100644
--- a/src/main/java/com/tryna/domain/alarm/dto/EventReminderResponse.java
+++ b/src/main/java/com/tryna/domain/reminder/dto/EventReminderResponse.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.dto;
+package com.tryna.domain.reminder.dto;
 
 import com.tryna.domain.reminder.entity.Reminders;
 
diff --git a/src/main/java/com/tryna/domain/alarm/service/AlarmPushTokenService.java b/src/main/java/com/tryna/domain/reminder/service/AlarmPushTokenService.java
similarity index 97%
rename from src/main/java/com/tryna/domain/alarm/service/AlarmPushTokenService.java
rename to src/main/java/com/tryna/domain/reminder/service/AlarmPushTokenService.java
index 3f123ef..ba691ad 100644
--- a/src/main/java/com/tryna/domain/alarm/service/AlarmPushTokenService.java
+++ b/src/main/java/com/tryna/domain/reminder/service/AlarmPushTokenService.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.service;
+package com.tryna.domain.reminder.service;
 
 import com.tryna.domain.auth.repository.FcmTokenRedisRepository;
 import com.tryna.global.exception.AlarmErrorCode;
diff --git a/src/main/java/com/tryna/domain/alarm/service/AlarmQueryService.java b/src/main/java/com/tryna/domain/reminder/service/AlarmQueryService.java
similarity index 95%
rename from src/main/java/com/tryna/domain/alarm/service/AlarmQueryService.java
rename to src/main/java/com/tryna/domain/reminder/service/AlarmQueryService.java
index d4d6cd2..4940b34 100644
--- a/src/main/java/com/tryna/domain/alarm/service/AlarmQueryService.java
+++ b/src/main/java/com/tryna/domain/reminder/service/AlarmQueryService.java
@@ -1,10 +1,10 @@
-package com.tryna.domain.alarm.service;
+package com.tryna.domain.reminder.service;
 
-import com.tryna.domain.alarm.dto.AlarmDetailResponse;
-import com.tryna.domain.alarm.dto.AlarmListResponse;
-import com.tryna.domain.alarm.util.AlarmCursorCodec;
+import com.tryna.domain.reminder.dto.AlarmDetailResponse;
+import com.tryna.domain.reminder.dto.AlarmListResponse;
 import com.tryna.domain.reminder.entity.Reminders;
 import com.tryna.domain.reminder.repository.RemindersRepository;
+import com.tryna.domain.reminder.util.AlarmCursorCodec;
 import com.tryna.domain.user.entity.Users;
 import com.tryna.domain.user.repository.UserRepository;
 import com.tryna.global.exception.AlarmErrorCode;
diff --git a/src/main/java/com/tryna/domain/reminder/service/AlarmReminderDispatchExecutor.java b/src/main/java/com/tryna/domain/reminder/service/AlarmReminderDispatchExecutor.java
index 8e6e65a..8f779b7 100644
--- a/src/main/java/com/tryna/domain/reminder/service/AlarmReminderDispatchExecutor.java
+++ b/src/main/java/com/tryna/domain/reminder/service/AlarmReminderDispatchExecutor.java
@@ -2,7 +2,7 @@
 
 import com.tryna.domain.action.entity.ActionItems;
 import com.tryna.domain.action.repository.ActionItemOccurrenceStatesRepository;
-import com.tryna.domain.alarm.service.FcmPushService;
+import com.tryna.domain.reminder.service.FcmPushService;
 import com.tryna.domain.auth.repository.FcmTokenRedisRepository;
 import com.tryna.domain.event.entity.Events;
 import com.tryna.domain.event.util.EventRecurrenceCalculator;
diff --git a/src/main/java/com/tryna/domain/reminder/service/AlarmReminderScheduleService.java b/src/main/java/com/tryna/domain/reminder/service/AlarmReminderScheduleService.java
index 78e849e..722e1bf 100644
--- a/src/main/java/com/tryna/domain/reminder/service/AlarmReminderScheduleService.java
+++ b/src/main/java/com/tryna/domain/reminder/service/AlarmReminderScheduleService.java
@@ -3,9 +3,9 @@
 import com.tryna.domain.action.entity.ActionItems;
 import com.tryna.domain.action.enums.ItemType;
 import com.tryna.domain.action.repository.ActionItemsRepository;
-import com.tryna.domain.alarm.dto.ActionItemReminderResponse;
-import com.tryna.domain.alarm.dto.AlarmCorrectionResponse;
-import com.tryna.domain.alarm.dto.EventReminderResponse;
+import com.tryna.domain.reminder.dto.ActionItemReminderResponse;
+import com.tryna.domain.reminder.dto.AlarmCorrectionResponse;
+import com.tryna.domain.reminder.dto.EventReminderResponse;
 import com.tryna.domain.auth.repository.FcmTokenRedisRepository;
 import com.tryna.domain.event.entity.Events;
 import com.tryna.domain.event.repository.EventsRepository;
diff --git a/src/main/java/com/tryna/domain/alarm/service/AlarmStateService.java b/src/main/java/com/tryna/domain/reminder/service/AlarmStateService.java
similarity index 94%
rename from src/main/java/com/tryna/domain/alarm/service/AlarmStateService.java
rename to src/main/java/com/tryna/domain/reminder/service/AlarmStateService.java
index 164750b..eadaefd 100644
--- a/src/main/java/com/tryna/domain/alarm/service/AlarmStateService.java
+++ b/src/main/java/com/tryna/domain/reminder/service/AlarmStateService.java
@@ -1,6 +1,6 @@
-package com.tryna.domain.alarm.service;
+package com.tryna.domain.reminder.service;
 
-import com.tryna.domain.alarm.dto.AlarmStateResponse;
+import com.tryna.domain.reminder.dto.AlarmStateResponse;
 import com.tryna.domain.term.entity.Terms;
 import com.tryna.domain.term.enums.TermType;
 import com.tryna.domain.term.repository.TermsRepository;
diff --git a/src/main/java/com/tryna/domain/alarm/service/AlarmTermService.java b/src/main/java/com/tryna/domain/reminder/service/AlarmTermService.java
similarity index 91%
rename from src/main/java/com/tryna/domain/alarm/service/AlarmTermService.java
rename to src/main/java/com/tryna/domain/reminder/service/AlarmTermService.java
index 91adf2f..0f8f908 100644
--- a/src/main/java/com/tryna/domain/alarm/service/AlarmTermService.java
+++ b/src/main/java/com/tryna/domain/reminder/service/AlarmTermService.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.service;
+package com.tryna.domain.reminder.service;
 
 import com.tryna.domain.term.entity.Terms;
 import com.tryna.domain.term.entity.mapping.UserAgreedTerms;
@@ -29,7 +29,7 @@ public class AlarmTermService {
      * ALARM 약관 동의 이력을 저장하고 사용자의 alarm_state를 true로 변경합니다.
      */
     @Transactional
-    public void agreeAlarmTerm(Long userId) {
+    public boolean agreeAlarmTerm(Long userId) {
         Users user = userRepository.findByUserIdAndDeletedAtIsNull(userId)
                 .orElseThrow(() -> new BusinessException(AuthErrorCode.AUTH_401));
 
@@ -38,10 +38,11 @@ public void agreeAlarmTerm(Long userId) {
                 .orElseThrow(() -> new BusinessException(AlarmErrorCode.F100_ALARM_TERM_400));
 
         if (userAgreedTermsRepository.existsByUser_UserIdAndTerm_TermId(userId, alarmTerm.getTermId())) {
-            throw new BusinessException(AlarmErrorCode.F100_ALARM_TERM_400);
+            return false;
         }
 
         userAgreedTermsRepository.save(UserAgreedTerms.create(user, alarmTerm));
         user.updateAlarmState(true);
+        return true;
     }
 }
diff --git a/src/main/java/com/tryna/domain/alarm/service/FcmPushService.java b/src/main/java/com/tryna/domain/reminder/service/FcmPushService.java
similarity index 99%
rename from src/main/java/com/tryna/domain/alarm/service/FcmPushService.java
rename to src/main/java/com/tryna/domain/reminder/service/FcmPushService.java
index 99a6d88..f8b9336 100644
--- a/src/main/java/com/tryna/domain/alarm/service/FcmPushService.java
+++ b/src/main/java/com/tryna/domain/reminder/service/FcmPushService.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.service;
+package com.tryna.domain.reminder.service;
 
 import com.google.firebase.FirebaseApp;
 import com.google.firebase.messaging.BatchResponse;
diff --git a/src/main/java/com/tryna/domain/alarm/util/AlarmCursorCodec.java b/src/main/java/com/tryna/domain/reminder/util/AlarmCursorCodec.java
similarity index 98%
rename from src/main/java/com/tryna/domain/alarm/util/AlarmCursorCodec.java
rename to src/main/java/com/tryna/domain/reminder/util/AlarmCursorCodec.java
index 12d2809..84737a4 100644
--- a/src/main/java/com/tryna/domain/alarm/util/AlarmCursorCodec.java
+++ b/src/main/java/com/tryna/domain/reminder/util/AlarmCursorCodec.java
@@ -1,4 +1,4 @@
-package com.tryna.domain.alarm.util;
+package com.tryna.domain.reminder.util;
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;