diff --git a/src/view/quickInput/clearTranslationCachePopconfirm.ts b/src/view/quickInput/clearTranslationCachePopconfirm.ts
new file mode 100644
index 0000000..3371783
--- /dev/null
+++ b/src/view/quickInput/clearTranslationCachePopconfirm.ts
@@ -0,0 +1,39 @@
+import { QuickInputButtons, commands, window } from 'vscode'
+import { defineQuickPickItems } from './utils'
+import { showTranslatePopmenu } from './translatePopmenu'
+import { showSettingsPopmenu } from './settingsPopmenu'
+import * as meta from '~/generated-meta'
+import type { Context } from '~/context'
+
+export function showClearTranslationCachePopconfirm(ctx: Context) {
+  const quickPick = window.createQuickPick()
+  quickPick.title = 'Are you sure to clear translation cache?'
+  quickPick.matchOnDescription = true
+  quickPick.matchOnDetail = true
+  defineQuickPickItems(quickPick, [
+    {
+      label: '$(x) No',
+      detail: 'Cancel',
+      callback: () => showSettingsPopmenu(ctx),
+    },
+    {
+      label: '$(check) Yes',
+      detail: 'Clear translation cache',
+      callback: () => commands.executeCommand(meta.commands.clearTranslationCache).then(() => showTranslatePopmenu(ctx)),
+    },
+  ])
+
+  quickPick.buttons = [
+    QuickInputButtons.Back,
+  ]
+  quickPick.onDidTriggerButton((button) => {
+    if (button === QuickInputButtons.Back)
+      showSettingsPopmenu(ctx)
+  })
+
+  quickPick.onDidHide(() => {
+    quickPick.dispose()
+    showSettingsPopmenu(ctx)
+  })
+  quickPick.show()
+}
diff --git a/src/view/quickInput/setKnownPopularWordInput.ts b/src/view/quickInput/setKnownPopularWordInput.ts
new file mode 100644
index 0000000..4ea5ac2
--- /dev/null
+++ b/src/view/quickInput/setKnownPopularWordInput.ts
@@ -0,0 +1,35 @@
+import { QuickInputButtons, window } from 'vscode'
+import { showTranslatePopmenu } from './translatePopmenu'
+import { showSettingsPopmenu } from './settingsPopmenu'
+import { config } from '~/config'
+import type { Context } from '~/context'
+
+export function showSetKnownPopularWordInput(ctx: Context) {
+  const inputBox = window.createInputBox()
+  inputBox.title = 'Known Popular Words'
+  inputBox.value = String(config.knownPopularWordCount || 0)
+
+  inputBox.onDidAccept(() => {
+    const count = Number(inputBox.value)
+    if (Number.isNaN(count)) {
+      window.showErrorMessage('Invalid number')
+      return
+    }
+    config.knownPopularWordCount = count
+    showTranslatePopmenu(ctx)
+  })
+
+  inputBox.buttons = [
+    QuickInputButtons.Back,
+  ]
+  inputBox.onDidTriggerButton((button) => {
+    if (button === QuickInputButtons.Back)
+      showTranslatePopmenu(ctx)
+  })
+
+  inputBox.onDidHide(() => {
+    inputBox.dispose()
+    showSettingsPopmenu(ctx)
+  })
+  inputBox.show()
+}
diff --git a/src/view/quickInput/settingsPopmenu.ts b/src/view/quickInput/settingsPopmenu.ts
new file mode 100644
index 0000000..033d5c9
--- /dev/null
+++ b/src/view/quickInput/settingsPopmenu.ts
@@ -0,0 +1,47 @@
+import { QuickInputButtons, commands, window } from 'vscode'
+import { defineQuickPickItems } from './utils'
+import { showTranslatePopmenu } from './translatePopmenu'
+import { showSetKnownPopularWordInput } from './setKnownPopularWordInput'
+import { showClearTranslationCachePopconfirm } from './clearTranslationCachePopconfirm'
+import type { Context } from '~/context'
+import { translationCacheMap } from '~/model/cache'
+import { config } from '~/config'
+import * as extMeta from '~/generated-meta'
+
+export function showSettingsPopmenu(ctx: Context) {
+  const quickPick = window.createQuickPick()
+  quickPick.title = 'Interline Translate'
+  let routeJumping = false
+  quickPick.onDidChangeSelection(() => routeJumping = true)
+  const numberOfPhrases = Array.from(translationCacheMap.values()).reduce((acc, cache) => acc + cache.size, 0)
+  defineQuickPickItems(quickPick, [
+    {
+      label: '$(mortar-board) Known popular words',
+      detail: `${config.knownPopularWordCount} words`,
+      callback: () => showSetKnownPopularWordInput(ctx),
+    },
+    {
+      label: '$(database) Clear translation cache',
+      detail: `${numberOfPhrases} phrases`,
+      callback: () => showClearTranslationCachePopconfirm(ctx),
+    },
+    {
+      label: '$(gear) More settings',
+      detail: 'Configure extension settings',
+      callback: () => commands.executeCommand('workbench.action.openSettings', extMeta.name).then(() => quickPick.dispose()),
+    },
+  ])
+
+  quickPick.buttons = [QuickInputButtons.Back]
+  quickPick.onDidTriggerButton((button) => {
+    if (button === QuickInputButtons.Back)
+      showTranslatePopmenu(ctx)
+  })
+
+  quickPick.onDidHide(() => {
+    quickPick.dispose()
+    if (!routeJumping)
+      showTranslatePopmenu(ctx)
+  })
+  quickPick.show()
+}
diff --git a/src/view/quickInput/translatePopmenu.ts b/src/view/quickInput/translatePopmenu.ts
index c1aba48..3297e70 100644
--- a/src/view/quickInput/translatePopmenu.ts
+++ b/src/view/quickInput/translatePopmenu.ts
@@ -2,6 +2,7 @@ import { QuickPickItemKind, commands, window } from 'vscode'
 import { defineQuickPickItems } from './utils'
 import { showSetLanguagePopmenu } from './setLanguagePopmenu'
 import { showSetTranslationService } from './setTranslationService'
+import { showSettingsPopmenu } from './settingsPopmenu'
 import { config, languageOptions } from '~/config'
 import type { Context } from '~/context'
 import { useStore } from '~/store'
@@ -47,6 +48,11 @@ export function showTranslatePopmenu(ctx: Context) {
       description: translators[config.translator]?.label || `Unsupported: ${config.translator}`,
       callback: () => showSetTranslationService(ctx),
     },
+    {
+      label: '$(gear) Settings',
+      description: 'Configure extension settings',
+      callback: () => showSettingsPopmenu(ctx),
+    },
   ])
   quickPick.onDidHide(() => quickPick.dispose())
   quickPick.show()