diff --git a/Source/Modules/ControllerModules/ctlInputMethod_Menu.swift b/Source/Modules/ControllerModules/ctlInputMethod_Menu.swift
index c6fabfe7..130ab447 100644
--- a/Source/Modules/ControllerModules/ctlInputMethod_Menu.swift
+++ b/Source/Modules/ControllerModules/ctlInputMethod_Menu.swift
@@ -169,6 +169,10 @@ extension ctlInputMethod {
       withTitle: NSLocalizedString("About vChewing…", comment: ""),
       action: #selector(showAbout(_:)), keyEquivalent: ""
     )
+    menu.addItem(
+      withTitle: NSLocalizedString("CheatSheet", comment: "") + "…",
+      action: #selector(showCheatSheet(_:)), keyEquivalent: ""
+    )
     if optionKeyPressed {
       menu.addItem(
         withTitle: NSLocalizedString("Uninstall vChewing…", comment: ""),
@@ -199,7 +203,12 @@ extension ctlInputMethod {
     NSApp.activate(ignoringOtherApps: true)
   }
 
-  @objc func toggleSCPCTypingMode(_: Any?) {
+  @objc func showCheatSheet(_: Any?) {
+    guard let url = Bundle.main.url(forResource: "shortcuts", withExtension: "html") else { return }
+    NSWorkspace.shared.openFile(url.path, withApplication: "Safari")
+  }
+
+  @objc func toggleSCPCTypingMode(_: Any? = nil) {
     resetKeyHandler()
     NotifierController.notify(
       message: String(
diff --git a/Source/Resources/Base.lproj/Localizable.strings b/Source/Resources/Base.lproj/Localizable.strings
index cc973995..f9e3112b 100644
--- a/Source/Resources/Base.lproj/Localizable.strings
+++ b/Source/Resources/Base.lproj/Localizable.strings
@@ -2,6 +2,7 @@
 "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability." = "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability.";
 "About vChewing…" = "About vChewing…";
 "vChewing Preferences…" = "vChewing Preferences…";
+"CheatSheet" = "CheatSheet";
 "Uninstallation" = "Uninstallation";
 "Uninstall vChewing…" = "Uninstall vChewing…";
 "This will remove vChewing Input Method from this user account, requiring your confirmation." = "This will remove vChewing Input Method from this user account, requiring your confirmation.";
diff --git a/Source/Resources/en.lproj/Localizable.strings b/Source/Resources/en.lproj/Localizable.strings
index cc973995..f9e3112b 100644
--- a/Source/Resources/en.lproj/Localizable.strings
+++ b/Source/Resources/en.lproj/Localizable.strings
@@ -2,6 +2,7 @@
 "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability." = "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability.";
 "About vChewing…" = "About vChewing…";
 "vChewing Preferences…" = "vChewing Preferences…";
+"CheatSheet" = "CheatSheet";
 "Uninstallation" = "Uninstallation";
 "Uninstall vChewing…" = "Uninstall vChewing…";
 "This will remove vChewing Input Method from this user account, requiring your confirmation." = "This will remove vChewing Input Method from this user account, requiring your confirmation.";
diff --git a/Source/Resources/ja.lproj/Localizable.strings b/Source/Resources/ja.lproj/Localizable.strings
index feb2120a..e657814a 100644
--- a/Source/Resources/ja.lproj/Localizable.strings
+++ b/Source/Resources/ja.lproj/Localizable.strings
@@ -3,6 +3,7 @@
 "About vChewing…" = "威注音について…";
 "vChewing Preferences…" = "入力機能設定…";
 "Uninstallation" = "入力アプリの卸除（おろしのぞき）";
+"CheatSheet" = "キー取扱説明";
 "Uninstall vChewing…" = "入力アプリを卸除く…";
 "This will remove vChewing Input Method from this user account, requiring your confirmation." = "これにて威注音入力アプリをこのアカウントから卸除しますが、宜しいですか。";
 "Check Later" = "後でやる";
diff --git a/Source/Resources/zh-Hans.lproj/Localizable.strings b/Source/Resources/zh-Hans.lproj/Localizable.strings
index be202492..b5169091 100644
--- a/Source/Resources/zh-Hans.lproj/Localizable.strings
+++ b/Source/Resources/zh-Hans.lproj/Localizable.strings
@@ -2,6 +2,7 @@
 "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability." = "威注音输入法的使用者半衰记忆模组在观测时崩溃，相关半衰记忆资料档案内容已全部清空。";
 "About vChewing…" = "关于威注音…";
 "vChewing Preferences…" = "威注音偏好设定…";
+"CheatSheet" = "热键指南";
 "Uninstallation" = "卸除输入法";
 "Uninstall vChewing…" = "卸除威注音…";
 "This will remove vChewing Input Method from this user account, requiring your confirmation." = "此举会将威注音自当前系统使用者帐户卸除。请确认。";
diff --git a/Source/Resources/zh-Hant.lproj/Localizable.strings b/Source/Resources/zh-Hant.lproj/Localizable.strings
index e7db5705..d0c5c1ac 100644
--- a/Source/Resources/zh-Hant.lproj/Localizable.strings
+++ b/Source/Resources/zh-Hant.lproj/Localizable.strings
@@ -2,6 +2,7 @@
 "vChewing crashed while handling previously loaded UOM observation data. These data files are cleaned now to ensure the usability." = "威注音輸入法的使用者半衰記憶模組在觀測時崩潰，相關半衰記憶資料檔案內容已全部清空。";
 "About vChewing…" = "關於威注音…";
 "vChewing Preferences…" = "威注音偏好設定…";
+"CheatSheet" = "熱鍵指南";
 "Uninstallation" = "卸除輸入法";
 "Uninstall vChewing…" = "卸除威注音…";
 "This will remove vChewing Input Method from this user account, requiring your confirmation." = "此舉會將威注音自當前系統使用者帳戶卸除。請確認。";