diff --git a/src/main/java/io/oeid/mogakgo/domain/notification/application/NotificationService.java b/src/main/java/io/oeid/mogakgo/domain/notification/application/NotificationService.java
new file mode 100644
index 00000000..7f3a7338
--- /dev/null
+++ b/src/main/java/io/oeid/mogakgo/domain/notification/application/NotificationService.java
@@ -0,0 +1,30 @@
+package io.oeid.mogakgo.domain.notification.application;
+
+import io.oeid.mogakgo.domain.notification.application.dto.req.NotificationCreateRequest;
+import io.oeid.mogakgo.domain.notification.application.dto.res.NotificationCreateResponse;
+import io.oeid.mogakgo.domain.notification.domain.Notification;
+import io.oeid.mogakgo.domain.notification.infrastructure.NotificationJpaRepository;
+import io.oeid.mogakgo.domain.user.application.UserCommonService;
+import io.oeid.mogakgo.domain.user.domain.User;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class NotificationService {
+
+    private final UserCommonService userCommonService;
+    private final NotificationJpaRepository notificationRepository;
+
+    @Transactional
+    public NotificationCreateResponse createNotification(NotificationCreateRequest request) {
+        log.info("createNotification request: {}", request);
+        User user = userCommonService.getUserById(request.getUserId());
+        Notification notification = notificationRepository.save(request.toEntity(user));
+        return NotificationCreateResponse.from(notification);
+    }
+}
diff --git a/src/main/java/io/oeid/mogakgo/domain/notification/application/dto/req/NotificationCreateRequest.java b/src/main/java/io/oeid/mogakgo/domain/notification/application/dto/req/NotificationCreateRequest.java
new file mode 100644
index 00000000..6992d4d2
--- /dev/null
+++ b/src/main/java/io/oeid/mogakgo/domain/notification/application/dto/req/NotificationCreateRequest.java
@@ -0,0 +1,26 @@
+package io.oeid.mogakgo.domain.notification.application.dto.req;
+
+import io.oeid.mogakgo.domain.notification.domain.Notification;
+import io.oeid.mogakgo.domain.notification.domain.enums.NotificationTag;
+import io.oeid.mogakgo.domain.user.domain.User;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class NotificationCreateRequest {
+
+    private final Long userId;
+    private final NotificationTag notificationTag;
+    private final String detailData;
+
+    public static NotificationCreateRequest of(Long userId, NotificationTag notificationTag,
+        String detailData) {
+        return new NotificationCreateRequest(userId, notificationTag, detailData);
+    }
+
+    public Notification toEntity(User user) {
+        return Notification.of(user, notificationTag, detailData);
+    }
+}
diff --git a/src/main/java/io/oeid/mogakgo/domain/notification/application/dto/res/NotificationCreateResponse.java b/src/main/java/io/oeid/mogakgo/domain/notification/application/dto/res/NotificationCreateResponse.java
new file mode 100644
index 00000000..c5b597ae
--- /dev/null
+++ b/src/main/java/io/oeid/mogakgo/domain/notification/application/dto/res/NotificationCreateResponse.java
@@ -0,0 +1,30 @@
+package io.oeid.mogakgo.domain.notification.application.dto.res;
+
+import io.oeid.mogakgo.domain.notification.domain.Notification;
+import io.oeid.mogakgo.domain.notification.domain.enums.NotificationTag;
+import java.time.LocalDateTime;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class NotificationCreateResponse {
+
+    private final Long id;
+    private final Long userId;
+    private final NotificationTag notificationTag;
+    private final String detailData;
+    private final LocalDateTime createdAt;
+    private final Boolean checkedYn;
+
+    public static NotificationCreateResponse from(Notification notification) {
+        return new NotificationCreateResponse(
+            notification.getId(),
+            notification.getUser().getId(),
+            notification.getNotificationTag(),
+            notification.getDetailData(),
+            notification.getCreatedAt(),
+            notification.getCheckedYn());
+    }
+}
diff --git a/src/main/java/io/oeid/mogakgo/domain/notification/domain/Notification.java b/src/main/java/io/oeid/mogakgo/domain/notification/domain/Notification.java
index 8df69683..5f39cd8c 100644
--- a/src/main/java/io/oeid/mogakgo/domain/notification/domain/Notification.java
+++ b/src/main/java/io/oeid/mogakgo/domain/notification/domain/Notification.java
@@ -43,6 +43,9 @@ public class Notification {
     @Column(name = "detail_data")
     private String detailData;
 
+    @Column(name = "checked_yn")
+    private Boolean checkedYn;
+
     @CreationTimestamp
     @Column(name = "created_at")
     private LocalDateTime createdAt;
@@ -51,6 +54,7 @@ private Notification(User user, NotificationTag notificationTag, String detailDa
         this.user = user;
         this.notificationTag = validateNotificationTag(notificationTag);
         this.detailData = validateDetailData(detailData);
+        this.checkedYn = false;
     }
 
     public static Notification of(User user, NotificationTag notificationTag, String detail) {