diff --git a/SodaLive/Sources/Content/ContentRepository.swift b/SodaLive/Sources/Content/ContentRepository.swift
index 649d4b7..1000fb2 100644
--- a/SodaLive/Sources/Content/ContentRepository.swift
+++ b/SodaLive/Sources/Content/ContentRepository.swift
@@ -26,8 +26,8 @@ final class ContentRepository {
         return api.requestPublisher(.likeContent(request: PutAudioContentLikeRequest(contentId: audioContentId)))
     }
     
-    func registerComment(audioContentId: Int, comment: String, parentId: Int? = nil) -> AnyPublisher<Response, MoyaError> {
-        return api.requestPublisher(.registerComment(request: RegisterAudioContentCommentRequest(comment: comment, contentId: audioContentId, parentId: parentId)))
+    func registerComment(audioContentId: Int, comment: String, parentId: Int? = nil, isSecret: Bool = false) -> AnyPublisher<Response, MoyaError> {
+        return api.requestPublisher(.registerComment(request: RegisterAudioContentCommentRequest(comment: comment, contentId: audioContentId, parentId: parentId, isSecret: isSecret)))
     }
     
     func orderAudioContent(contentId: Int, orderType: OrderType) -> AnyPublisher<Response, MoyaError> {
diff --git a/SodaLive/Sources/Content/Detail/Comment/ContentDetailCommentView.swift b/SodaLive/Sources/Content/Detail/Comment/ContentDetailCommentView.swift
index 7108643..8a757ff 100644
--- a/SodaLive/Sources/Content/Detail/Comment/ContentDetailCommentView.swift
+++ b/SodaLive/Sources/Content/Detail/Comment/ContentDetailCommentView.swift
@@ -12,10 +12,12 @@ struct ContentDetailCommentView: View {
     
     let commentCount: Int
     let commentList: [GetAudioContentCommentListItem]
+    let isShowSecret: Bool
     
-    let registerComment: (String) -> Void
+    let registerComment: (String, Bool) -> Void
     
     @State private var comment = ""
+    @State private var isSecret = false
     
     var body: some View {
         VStack(alignment: .leading, spacing: 10.3) {
@@ -26,9 +28,24 @@ struct ContentDetailCommentView: View {
                 
                 Text("\(commentCount)")
                     .font(.custom(Font.medium.rawValue, size: 12))
-                    .foregroundColor(Color(hex: "909090"))
+                    .foregroundColor(Color.gray90)
                 
                 Spacer()
+                
+                if isShowSecret && commentCount <= 0 {
+                    HStack(spacing: 8) {
+                        Image(isSecret ? "btn_select_checked" : "btn_select_normal")
+                            .resizable()
+                            .frame(width: 20, height: 20)
+                        
+                        Text("비밀댓글")
+                            .font(.custom(Font.medium.rawValue, size: 12))
+                            .foregroundColor(Color.grayee)
+                    }
+                    .onTapGesture {
+                        isSecret.toggle()
+                    }
+                }
             }
             
             HStack(spacing: 8) {
@@ -48,7 +65,7 @@ struct ContentDetailCommentView: View {
                 if commentCount > 0 {
                     Text(commentList[0].comment)
                         .font(.custom(Font.medium.rawValue, size: 12))
-                        .foregroundColor(Color(hex: "bbbbbb"))
+                        .foregroundColor(Color.graybb)
                         .lineLimit(1)
                         .lineSpacing(8)
                         .padding(.leading, 3)
@@ -58,8 +75,8 @@ struct ContentDetailCommentView: View {
                             .autocapitalization(.none)
                             .disableAutocorrection(true)
                             .font(.custom(Font.medium.rawValue, size: 13.3))
-                            .foregroundColor(Color(hex: "eeeeee"))
-                            .accentColor(Color(hex: "3bb9f1"))
+                            .foregroundColor(Color.grayee)
+                            .accentColor(Color.button)
                             .keyboardType(.default)
                             .padding(.horizontal, 13.3)
                         
@@ -71,15 +88,15 @@ struct ContentDetailCommentView: View {
                             .padding(6.7)
                             .onTapGesture {
                                 hideKeyboard()
-                                registerComment(comment)
+                                registerComment(comment, isSecret)
                             }
                     }
-                    .background(Color(hex: "232323"))
+                    .background(Color.gray23)
                     .cornerRadius(10)
                     .overlay(
                         RoundedRectangle(cornerRadius: 10)
                             .strokeBorder(lineWidth: 1)
-                            .foregroundColor(Color(hex: "3bb9f1"))
+                            .foregroundColor(Color.button)
                     )
                 }
                 
diff --git a/SodaLive/Sources/Content/Detail/Comment/RegisterAudioContentCommentRequest.swift b/SodaLive/Sources/Content/Detail/Comment/RegisterAudioContentCommentRequest.swift
index 4e72841..6b8e682 100644
--- a/SodaLive/Sources/Content/Detail/Comment/RegisterAudioContentCommentRequest.swift
+++ b/SodaLive/Sources/Content/Detail/Comment/RegisterAudioContentCommentRequest.swift
@@ -11,4 +11,5 @@ struct RegisterAudioContentCommentRequest: Encodable {
     let comment: String
     let contentId: Int
     let parentId: Int?
+    let isSecret: Bool
 }
diff --git a/SodaLive/Sources/Content/Detail/ContentDetailView.swift b/SodaLive/Sources/Content/Detail/ContentDetailView.swift
index 18e6e80..ef21a64 100644
--- a/SodaLive/Sources/Content/Detail/ContentDetailView.swift
+++ b/SodaLive/Sources/Content/Detail/ContentDetailView.swift
@@ -136,8 +136,9 @@ struct ContentDetailView: View {
                                             ContentDetailCommentView(
                                                 commentCount: audioContent.commentCount,
                                                 commentList: audioContent.commentList,
-                                                registerComment: { comment in
-                                                    self.viewModel.registerComment(comment: comment)
+                                                isShowSecret: audioContent.existOrdered,
+                                                registerComment: { comment, isSecret in
+                                                    self.viewModel.registerComment(comment: comment, isSecret: isSecret)
                                                 }
                                             )
                                             .padding(10.3)
diff --git a/SodaLive/Sources/Content/Detail/ContentDetailViewModel.swift b/SodaLive/Sources/Content/Detail/ContentDetailViewModel.swift
index c00844f..5ef8374 100644
--- a/SodaLive/Sources/Content/Detail/ContentDetailViewModel.swift
+++ b/SodaLive/Sources/Content/Detail/ContentDetailViewModel.swift
@@ -239,14 +239,14 @@ final class ContentDetailViewModel: ObservableObject {
         }
     }
     
-    func registerComment(comment: String) {
+    func registerComment(comment: String, isSecret: Bool) {
         if comment.trimmingCharacters(in: .whitespaces).isEmpty {
             return
         }
         
         isLoading = true
         
-        repository.registerComment(audioContentId: contentId, comment: comment)
+        repository.registerComment(audioContentId: contentId, comment: comment, isSecret: isSecret)
             .sink { result in
                 switch result {
                 case .finished: