diff --git a/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/domain/Notice.kt b/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/domain/Notice.kt
index 5e83a5a..ac887a6 100644
--- a/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/domain/Notice.kt
+++ b/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/domain/Notice.kt
@@ -5,16 +5,16 @@ data class Notice(
     val content: String,
 ) {
     data class Summary(
-        val id: String,
+        val id: String? = null,
         val title: String,
-        val createdAt: String,
+        val createdAt: String? = null,
     )
 
     data class Detail(
-        val id: String,
+        val id: String? = null,
         val title: String,
         val content: String,
-        val createdAt: String,
+        val createdAt: String? = null,
     )
 
     fun detail(): Detail {
diff --git a/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/port/input/RegisterNoticeCommand.kt b/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/port/input/RegisterNoticeCommand.kt
new file mode 100644
index 0000000..4d3c977
--- /dev/null
+++ b/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/port/input/RegisterNoticeCommand.kt
@@ -0,0 +1,6 @@
+package me.jiniworld.demohx.application.notice.port.input
+
+data class RegisterNoticeCommand(
+    val title: String,
+    val content: String,
+)
\ No newline at end of file
diff --git a/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/port/input/RegisterNoticeUseCase.kt b/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/port/input/RegisterNoticeUseCase.kt
new file mode 100644
index 0000000..aeed918
--- /dev/null
+++ b/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/port/input/RegisterNoticeUseCase.kt
@@ -0,0 +1,5 @@
+package me.jiniworld.demohx.application.notice.port.input
+
+interface RegisterNoticeUseCase {
+    suspend fun registerNotice(command: RegisterNoticeCommand)
+}
\ No newline at end of file
diff --git a/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/port/output/SaveNoticePort.kt b/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/port/output/SaveNoticePort.kt
new file mode 100644
index 0000000..b9566a5
--- /dev/null
+++ b/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/port/output/SaveNoticePort.kt
@@ -0,0 +1,7 @@
+package me.jiniworld.demohx.application.notice.port.output
+
+import me.jiniworld.demohx.application.notice.domain.Notice
+
+interface SaveNoticePort {
+    suspend fun saveNotice(notice: Notice)
+}
\ No newline at end of file
diff --git a/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/service/RegisterNoticeService.kt b/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/service/RegisterNoticeService.kt
new file mode 100644
index 0000000..ee3b5ca
--- /dev/null
+++ b/core/demo-reactive-core/src/main/kotlin/me/jiniworld/demohx/application/notice/service/RegisterNoticeService.kt
@@ -0,0 +1,20 @@
+package me.jiniworld.demohx.application.notice.service
+
+import me.jiniworld.demohx.annotation.UseCase
+import me.jiniworld.demohx.application.notice.domain.Notice
+import me.jiniworld.demohx.application.notice.port.input.RegisterNoticeCommand
+import me.jiniworld.demohx.application.notice.port.input.RegisterNoticeUseCase
+import me.jiniworld.demohx.application.notice.port.output.SaveNoticePort
+import org.springframework.transaction.annotation.Transactional
+
+@Transactional(readOnly = true)
+@UseCase
+internal class RegisterNoticeService(
+    private val saveNoticePort: SaveNoticePort,
+): RegisterNoticeUseCase {
+
+    override suspend fun registerNotice(command: RegisterNoticeCommand) {
+        saveNoticePort.saveNotice(Notice(Notice.Summary(title = command.title), content = command.content))
+    }
+
+}
\ No newline at end of file
diff --git a/infrastructure/datastore-mongodb-reactive/src/main/kotlin/me/jiniworld/demohx/persistence/notice/NoticeMapper.kt b/infrastructure/datastore-mongodb-reactive/src/main/kotlin/me/jiniworld/demohx/persistence/notice/NoticeMapper.kt
index bb3de0f..9ddde84 100644
--- a/infrastructure/datastore-mongodb-reactive/src/main/kotlin/me/jiniworld/demohx/persistence/notice/NoticeMapper.kt
+++ b/infrastructure/datastore-mongodb-reactive/src/main/kotlin/me/jiniworld/demohx/persistence/notice/NoticeMapper.kt
@@ -9,4 +9,7 @@ internal object NoticeMapper {
         Notice(summary = Notice.Summary(id = doc.id, title = doc.title,
             createdAt = DateTimeUtils.toString(doc.createdAt)), content = doc.content)
 
+    fun mapToDocument(notice: Notice) =
+        NoticeDocument(title = notice.summary.title, content = notice.content)
+
 }
\ No newline at end of file
diff --git a/infrastructure/datastore-mongodb-reactive/src/main/kotlin/me/jiniworld/demohx/persistence/notice/NoticePersistenceAdapter.kt b/infrastructure/datastore-mongodb-reactive/src/main/kotlin/me/jiniworld/demohx/persistence/notice/NoticePersistenceAdapter.kt
index 5b8644d..2e4614d 100644
--- a/infrastructure/datastore-mongodb-reactive/src/main/kotlin/me/jiniworld/demohx/persistence/notice/NoticePersistenceAdapter.kt
+++ b/infrastructure/datastore-mongodb-reactive/src/main/kotlin/me/jiniworld/demohx/persistence/notice/NoticePersistenceAdapter.kt
@@ -5,12 +5,13 @@ import kotlinx.coroutines.flow.map
 import me.jiniworld.demohx.annotation.PersistenceAdapter
 import me.jiniworld.demohx.application.notice.domain.Notice
 import me.jiniworld.demohx.application.notice.port.output.LoadNoticePort
+import me.jiniworld.demohx.application.notice.port.output.SaveNoticePort
 import org.springframework.data.domain.Pageable
 
 @PersistenceAdapter
 internal class NoticePersistenceAdapter(
     private val noticeRepository: NoticeRepository,
-) : LoadNoticePort {
+) : LoadNoticePort, SaveNoticePort {
     override fun loadNotices(pageable: Pageable): Flow<Notice> {
         return noticeRepository.findAllBy(pageable).map { NoticeMapper.mapToNotice(it) }
     }
@@ -18,4 +19,8 @@ internal class NoticePersistenceAdapter(
     override suspend fun loadNotice(id: String): Notice? {
         return noticeRepository.findById(id)?.let { NoticeMapper.mapToNotice(it) }
     }
+
+    override suspend fun saveNotice(notice: Notice) {
+        noticeRepository.save(NoticeMapper.mapToDocument(notice))
+    }
 }
\ No newline at end of file
diff --git a/server/demo-reactive-app/src/main/kotlin/me/jiniworld/demohx/web/notice/RegisterNoticeController.kt b/server/demo-reactive-app/src/main/kotlin/me/jiniworld/demohx/web/notice/RegisterNoticeController.kt
new file mode 100644
index 0000000..f244015
--- /dev/null
+++ b/server/demo-reactive-app/src/main/kotlin/me/jiniworld/demohx/web/notice/RegisterNoticeController.kt
@@ -0,0 +1,27 @@
+package me.jiniworld.demohx.web.notice
+
+import io.swagger.v3.oas.annotations.Operation
+import io.swagger.v3.oas.annotations.tags.Tag
+import me.jiniworld.demohx.annotation.WebAdapter
+import me.jiniworld.demohx.application.notice.port.input.RegisterNoticeCommand
+import me.jiniworld.demohx.application.notice.port.input.RegisterNoticeUseCase
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@WebAdapter
+@Tag(name = "setting-system", description = "설정-시스템(공지사항, FAQ, 이용약관, 메타정보 등)")
+@RestController
+@RequestMapping("/v1/notices")
+internal class RegisterNoticeController(
+    private val registerNoticeUseCase: RegisterNoticeUseCase,
+) {
+
+    @Operation(summary = "공지사항 등록")
+    @PostMapping("")
+    suspend fun getNotices(
+        @RequestBody command: RegisterNoticeCommand,
+    ) = registerNoticeUseCase.registerNotice(command)
+
+}
\ No newline at end of file