diff --git a/StreetDrop/ShareExtension/View/ShareViewController.swift b/StreetDrop/ShareExtension/View/ShareViewController.swift
index b1f7730..051057b 100644
--- a/StreetDrop/ShareExtension/View/ShareViewController.swift
+++ b/StreetDrop/ShareExtension/View/ShareViewController.swift
@@ -15,7 +15,7 @@ import RxRelay
 import RxGesture
 import SnapKit
 
-final class ShareViewController: UIViewController {
+final class ShareViewController: UIViewController, Alertable {
     enum Constant {
         static let commentPlaceHolder: String = "노래, 현재 감정, 상황, 관련 에피소드, 거리, 가수 등 떠오르는 말을 적어보세요."
         static let communityButtonTitle: String = "커뮤니티 가이드"
@@ -458,6 +458,23 @@ private extension ShareViewController {
                     failedLoadingMusicView.isHidden = false
                     view.layoutIfNeeded()
                 })
+        
+        output.errorAlertShow
+            .bind(with: self) { owner, errorMessage in
+                owner.showAlert(
+                    type: .alert(
+                        onConfirm: { [weak self] in
+                            self?.extensionContext?.completeRequest(
+                                returningItems: nil,
+                                completionHandler: nil
+                            )
+                        }
+                    ),
+                    state: .primary,
+                    title: "에러 발생",
+                    subText: errorMessage,
+                    buttonTitle: "확인"
+                )
             }
             .disposed(by: disposeBag)
     }
diff --git a/StreetDrop/ShareExtension/ViewModel/ShareViewModel.swift b/StreetDrop/ShareExtension/ViewModel/ShareViewModel.swift
index 61b8e56..a052472 100644
--- a/StreetDrop/ShareExtension/ViewModel/ShareViewModel.swift
+++ b/StreetDrop/ShareExtension/ViewModel/ShareViewModel.swift
@@ -66,6 +66,10 @@ final class ShareViewModel: NSObject, ShareViewModelType {
         var goFailedLoadingMusicView: Observable<Void> {
             goFailedLoadingMusicViewRelay.asObservable()
         }
+        fileprivate let errorAlertShowRelay: PublishRelay<String> = .init()
+        var errorAlertShow: Observable<String> {
+            errorAlertShowRelay.asObservable()
+        }
     }
     
     func convert(input: Input, disposedBag: DisposeBag) -> Output {
@@ -113,17 +117,17 @@ final class ShareViewModel: NSObject, ShareViewModelType {
         input.dropButtonClickEvent
             .bind(with: self) { owner, _ in
                 guard let selectedMusic = owner.selectedMusic else {
-                    // TODO: 요셉, 선택한 음악정보 없다는 에러팝업
+                    owner.output.errorAlertShowRelay.accept("선택한 음악 정보가 없습니다.")
                     return
                 }
                 
                 guard let comment = owner.comment else {
-                    // TODO: 코멘트 없다는 에러팝업
+                    owner.output.errorAlertShowRelay.accept("코멘트가 없습니다.")
                     return
                 }
                 
                 guard let currentLocation = owner.currentLocation else {
-                    // TODO: 현재 위치정보 없다는 에러팝업
+                    owner.output.errorAlertShowRelay.accept("현재 위치정보가 없습니다.")
                     return
                 }
                 
@@ -139,8 +143,7 @@ final class ShareViewModel: NSObject, ShareViewModelType {
                         (selectedMusic, currentLocation.address, comment)
                     )
                 } onFailure: { owner, error in
-                    // TODO: 드랍 실패 팝업
-                    print(error.localizedDescription)
+                    owner.output.errorAlertShowRelay.accept("드랍에 실패 했습니다.")
                 }
                 .disposed(by: disposedBag)