diff --git a/app/src/main/java/com/chunbae/narchive/data/remote/api/TodoService.kt b/app/src/main/java/com/chunbae/narchive/data/remote/api/TodoService.kt
index b1b0779..09745c5 100644
--- a/app/src/main/java/com/chunbae/narchive/data/remote/api/TodoService.kt
+++ b/app/src/main/java/com/chunbae/narchive/data/remote/api/TodoService.kt
@@ -1,11 +1,20 @@
 package com.chunbae.narchive.data.remote.api
 
+import com.chunbae.narchive.data.remote.request.RequestTodoGroupData
+import com.chunbae.narchive.data.remote.response.ResponseCommonWithString
 import com.chunbae.narchive.data.remote.response.ResponseTodoGroupData
 import retrofit2.Response
+import retrofit2.http.Body
 import retrofit2.http.GET
+import retrofit2.http.POST
 
 interface TodoService {
 
     @GET("/todo/groups")
     suspend fun getTodoGroupList() : Response<ResponseTodoGroupData>
+
+    @POST("/todo/groups")
+    suspend fun postTodoGroup(
+        @Body body : RequestTodoGroupData
+    ) : Response<ResponseCommonWithString>
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/chunbae/narchive/data/remote/repository/TodoGroupRepositoryImpl.kt b/app/src/main/java/com/chunbae/narchive/data/remote/repository/TodoGroupRepositoryImpl.kt
index ca54aa1..9ac8f38 100644
--- a/app/src/main/java/com/chunbae/narchive/data/remote/repository/TodoGroupRepositoryImpl.kt
+++ b/app/src/main/java/com/chunbae/narchive/data/remote/repository/TodoGroupRepositoryImpl.kt
@@ -1,6 +1,7 @@
 package com.chunbae.narchive.data.remote.repository
 
 import com.chunbae.narchive.data.data.GroupData
+import com.chunbae.narchive.data.remote.request.RequestTodoGroupData
 import com.chunbae.narchive.domain.repository.TodoGroupRepository
 import com.chunbae.narchive.domain.source.TodoGroupSource
 import javax.inject.Inject
@@ -9,4 +10,8 @@ class TodoGroupRepositoryImpl @Inject constructor(private val todoGroupSource: T
     override suspend fun getTodoGroupListData(): Result<List<GroupData>> {
         return todoGroupSource.getTodoGroupListData()
     }
+
+    override suspend fun postTodoGroupData(body: RequestTodoGroupData): Result<String> {
+        return todoGroupSource.postTodoGroupData(body)
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/chunbae/narchive/data/remote/request/RequestTodoGroupData.kt b/app/src/main/java/com/chunbae/narchive/data/remote/request/RequestTodoGroupData.kt
new file mode 100644
index 0000000..9d6167e
--- /dev/null
+++ b/app/src/main/java/com/chunbae/narchive/data/remote/request/RequestTodoGroupData.kt
@@ -0,0 +1,6 @@
+package com.chunbae.narchive.data.remote.request
+
+data class RequestTodoGroupData(
+    val groupTitle : String,
+    val groupColor : String
+)
diff --git a/app/src/main/java/com/chunbae/narchive/data/remote/response/ResponseCommonWithString.kt b/app/src/main/java/com/chunbae/narchive/data/remote/response/ResponseCommonWithString.kt
new file mode 100644
index 0000000..4540da3
--- /dev/null
+++ b/app/src/main/java/com/chunbae/narchive/data/remote/response/ResponseCommonWithString.kt
@@ -0,0 +1,7 @@
+package com.chunbae.narchive.data.remote.response
+
+import com.chunbae.narchive.presentation.util.BaseResponse
+
+data class ResponseCommonWithString(
+    val result : String
+) : BaseResponse()
diff --git a/app/src/main/java/com/chunbae/narchive/data/remote/source/TodoGroupRemoteSource.kt b/app/src/main/java/com/chunbae/narchive/data/remote/source/TodoGroupRemoteSource.kt
index 06fba62..276ad73 100644
--- a/app/src/main/java/com/chunbae/narchive/data/remote/source/TodoGroupRemoteSource.kt
+++ b/app/src/main/java/com/chunbae/narchive/data/remote/source/TodoGroupRemoteSource.kt
@@ -2,6 +2,7 @@ package com.chunbae.narchive.data.remote.source
 
 import com.chunbae.narchive.data.data.GroupData
 import com.chunbae.narchive.data.remote.api.TodoService
+import com.chunbae.narchive.data.remote.request.RequestTodoGroupData
 import com.chunbae.narchive.domain.source.TodoGroupSource
 import javax.inject.Inject
 
@@ -13,4 +14,12 @@ class TodoGroupRemoteSource @Inject constructor(private val todoService : TodoSe
         }
         return Result.failure(IllegalArgumentException(res.message()))
     }
+
+    override suspend fun postTodoGroupData(body: RequestTodoGroupData): Result<String> {
+        val res = todoService.postTodoGroup(body)
+        if(res.isSuccessful) {
+            return Result.success(res.body()!!.result)
+        }
+        return Result.failure(IllegalArgumentException(res.message()))
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/chunbae/narchive/domain/repository/TodoGroupRepository.kt b/app/src/main/java/com/chunbae/narchive/domain/repository/TodoGroupRepository.kt
index c5deabf..6c879d5 100644
--- a/app/src/main/java/com/chunbae/narchive/domain/repository/TodoGroupRepository.kt
+++ b/app/src/main/java/com/chunbae/narchive/domain/repository/TodoGroupRepository.kt
@@ -1,8 +1,11 @@
 package com.chunbae.narchive.domain.repository
 
 import com.chunbae.narchive.data.data.GroupData
+import com.chunbae.narchive.data.remote.request.RequestTodoGroupData
 
 interface TodoGroupRepository {
 
     suspend fun getTodoGroupListData() : Result<List<GroupData>>
+
+    suspend fun postTodoGroupData(body : RequestTodoGroupData) : Result<String>
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/chunbae/narchive/domain/source/TodoGroupSource.kt b/app/src/main/java/com/chunbae/narchive/domain/source/TodoGroupSource.kt
index 342ecab..bad686c 100644
--- a/app/src/main/java/com/chunbae/narchive/domain/source/TodoGroupSource.kt
+++ b/app/src/main/java/com/chunbae/narchive/domain/source/TodoGroupSource.kt
@@ -1,8 +1,11 @@
 package com.chunbae.narchive.domain.source
 
 import com.chunbae.narchive.data.data.GroupData
+import com.chunbae.narchive.data.remote.request.RequestTodoGroupData
 
 interface TodoGroupSource {
 
     suspend fun getTodoGroupListData() : Result<List<GroupData>>
+
+    suspend fun postTodoGroupData(body : RequestTodoGroupData) : Result<String>
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/chunbae/narchive/presentation/ui/main/dialog/AddTodoGroupDialog.kt b/app/src/main/java/com/chunbae/narchive/presentation/ui/main/dialog/AddTodoGroupDialog.kt
index 865685c..b4b9928 100644
--- a/app/src/main/java/com/chunbae/narchive/presentation/ui/main/dialog/AddTodoGroupDialog.kt
+++ b/app/src/main/java/com/chunbae/narchive/presentation/ui/main/dialog/AddTodoGroupDialog.kt
@@ -42,7 +42,6 @@ class AddTodoGroupDialog : DialogFragment() {
 
     private fun checkTag() {
         TAG = this.tag!!
-        Log.d("----", "checkTag: ${TAG}")
     }
 
     override fun onResume() {
@@ -73,7 +72,7 @@ class AddTodoGroupDialog : DialogFragment() {
     }
 
     fun onSaveGroup() {
-        viewModel.addNewGroup()
+        viewModel.addNewGroup(TAG)
         dismissDialog()
     }
 
diff --git a/app/src/main/java/com/chunbae/narchive/presentation/ui/main/todo/viewmodel/WriteTodoViewModel.kt b/app/src/main/java/com/chunbae/narchive/presentation/ui/main/todo/viewmodel/WriteTodoViewModel.kt
index 1678865..a9c5fd6 100644
--- a/app/src/main/java/com/chunbae/narchive/presentation/ui/main/todo/viewmodel/WriteTodoViewModel.kt
+++ b/app/src/main/java/com/chunbae/narchive/presentation/ui/main/todo/viewmodel/WriteTodoViewModel.kt
@@ -7,6 +7,7 @@ import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.chunbae.narchive.data.data.GroupData
+import com.chunbae.narchive.data.remote.request.RequestTodoGroupData
 import com.chunbae.narchive.domain.repository.TodoGroupRepository
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.launch
@@ -67,8 +68,8 @@ class WriteTodoViewModel @Inject constructor(private val todoGroupRepository: To
     val selectedGroup : LiveData<GroupData> = _selectedGroup
 
     var newGroupTitle = MutableLiveData<String>().apply { value = "" }
-    private val _newGroupColor = MutableLiveData<String>()
-    val newGroupColor : LiveData<String> = _newGroupColor
+    private val _newGroupColor = MutableLiveData<String?>()
+    val newGroupColor : LiveData<String?> = _newGroupColor
 
     fun manageCalendarState(state: Int) { // 0:all gone / 1 : start Cal / 2 : end Cal / 3 : start Time / 4 : end Time
         _isStartDay.value = state
@@ -127,8 +128,12 @@ class WriteTodoViewModel @Inject constructor(private val todoGroupRepository: To
         _newGroupColor.value = color
     }
 
-    fun addNewGroup() {
+    fun addNewGroup(tag : String) {
         if(newGroupTitle.value != null && _newGroupColor.value != null) {
+            viewModelScope.launch {
+                if(tag == "ADD")
+                todoGroupRepository.postTodoGroupData(RequestTodoGroupData(newGroupTitle.value!!, newGroupColor.value!!))
+            }
 
         }
     }