diff --git a/src/muya/lib/assets/pngicon/imageOpen/1.png b/src/muya/lib/assets/pngicon/imageOpen/1.png
new file mode 100644
index 00000000..e0f762bb
Binary files /dev/null and b/src/muya/lib/assets/pngicon/imageOpen/1.png differ
diff --git a/src/muya/lib/assets/pngicon/imageOpen/2.png b/src/muya/lib/assets/pngicon/imageOpen/2.png
new file mode 100644
index 00000000..e00849c0
Binary files /dev/null and b/src/muya/lib/assets/pngicon/imageOpen/2.png differ
diff --git a/src/muya/lib/assets/pngicon/imageOpen/3.png b/src/muya/lib/assets/pngicon/imageOpen/3.png
new file mode 100644
index 00000000..dcb7592c
Binary files /dev/null and b/src/muya/lib/assets/pngicon/imageOpen/3.png differ
diff --git a/src/muya/lib/config/index.js b/src/muya/lib/config/index.js
index 815f5bcf..8536b6e8 100644
--- a/src/muya/lib/config/index.js
+++ b/src/muya/lib/config/index.js
@@ -280,6 +280,8 @@ export const MUYA_DEFAULT_OPTION = Object.freeze({
   imageAction: null,
   // Call Electron open dialog or input element type is file.
   imagePathPicker: null,
+  // Call Electron openPath to open image file with external tool.
+  openImageWithExternalTool: null,
   clipboardFilePath: () => {},
   // image path auto completed when you input in image selector.
   imagePathAutoComplete: () => [],
diff --git a/src/muya/lib/contentState/imageCtrl.js b/src/muya/lib/contentState/imageCtrl.js
index 25af86cb..f72727a1 100644
--- a/src/muya/lib/contentState/imageCtrl.js
+++ b/src/muya/lib/contentState/imageCtrl.js
@@ -1,5 +1,6 @@
 import { URL_REG, DATA_URL_REG } from '../config'
 import { correctImageSrc } from '../utils/getImageInfo'
+import { fileURLToPath } from 'url'
 
 const imageCtrl = ContentState => {
   /**
@@ -204,6 +205,19 @@ const imageCtrl = ContentState => {
 
     return this.singleRender(outMostBlock, true)
   }
+
+  ContentState.prototype.openImage = function ({ key, absoluteImagePath }) {
+    const block = this.getBlock(key)
+    const { eventCenter } = this.muya
+    if (this.muya.options.openImageWithExternalTool) {
+      const path = fileURLToPath(absoluteImagePath)
+      this.muya.options.openImageWithExternalTool(path)
+      this.singleRender(block)
+      eventCenter.dispatch('muya-transformer', { reference: null })
+      eventCenter.dispatch('muya-image-toolbar', { reference: null })
+      this.muya.dispatchChange()
+    }
+  }
 }
 
 export default imageCtrl
diff --git a/src/muya/lib/ui/imageToolbar/config.js b/src/muya/lib/ui/imageToolbar/config.js
index 3c06fbdb..b61afa30 100644
--- a/src/muya/lib/ui/imageToolbar/config.js
+++ b/src/muya/lib/ui/imageToolbar/config.js
@@ -1,4 +1,5 @@
 import editIcon from '../../assets/pngicon/imageEdit/2.png'
+import openIcon from '../../assets/pngicon/imageOpen/2.png'
 import inlineIcon from '../../assets/pngicon/inline_image/2.png'
 import leftIcon from '../../assets/pngicon/algin_left/2.png'
 import middleIcon from '../../assets/pngicon/algin_center/2.png'
@@ -11,6 +12,11 @@ const icons = [
     tooltip: 'Edit Image',
     icon: editIcon
   },
+  {
+    type: 'open',
+    tooltip: 'Open Image',
+    icon: openIcon
+  },
   {
     type: 'inline',
     tooltip: 'Inline Image',
diff --git a/src/muya/lib/ui/imageToolbar/index.css b/src/muya/lib/ui/imageToolbar/index.css
index 76a717b5..740c5a2a 100644
--- a/src/muya/lib/ui/imageToolbar/index.css
+++ b/src/muya/lib/ui/imageToolbar/index.css
@@ -66,15 +66,25 @@
 }
 
 .ag-image-toolbar li.item.edit {
+  margin-right: 8px;
+}
+
+.ag-image-toolbar li.item.open.enable {
   margin-right: 21px;
-  margin-left: 10px;
+  margin-left: 0px;
+}
+
+.ag-image-toolbar li.item.open.disable {
+  margin-right: 21px;
+  margin-left: 0px;
+  opacity: 0.4;
 }
 
 .ag-image-toolbar li.item.inline {
   margin-right: 8px;
 }
 
-.ag-image-toolbar li.item:first-of-type:before {
+.ag-image-toolbar li.item:nth-of-type(2):before {
   content: '';
   width: 1px;
   position: absolute;
diff --git a/src/muya/lib/ui/imageToolbar/index.js b/src/muya/lib/ui/imageToolbar/index.js
index 4e1ab9a5..3159806d 100644
--- a/src/muya/lib/ui/imageToolbar/index.js
+++ b/src/muya/lib/ui/imageToolbar/index.js
@@ -1,6 +1,7 @@
 import BaseFloat from '../baseFloat'
 import { patch, h } from '../../parser/render/snabbdom'
 import icons from './config'
+import { URL_REG } from '../../config'
 
 import './index.css'
 
@@ -53,6 +54,10 @@ class ImageToolbar extends BaseFloat {
     const { icons, oldVnode, toolbarContainer, imageInfo } = this
     const { attrs } = imageInfo.token
     const dataAlign = attrs['data-align']
+    let isLocalImage = false
+    if (this.isLocalFile(imageInfo)) {
+      isLocalImage = true
+    }
     const children = icons.map(i => {
       let icon
       let iconWrapperSelector
@@ -69,6 +74,13 @@ class ImageToolbar extends BaseFloat {
       const iconWrapper = h(iconWrapperSelector, icon)
       let itemSelector = `li.item.${i.type}`
 
+      if (i.type === 'open') {
+        if (isLocalImage) {
+          itemSelector += '.enable'
+        } else {
+          itemSelector += '.disable'
+        }
+      }
       if (i.type === dataAlign || !dataAlign && i.type === 'inline') {
         itemSelector += '.active'
       }
@@ -99,6 +111,10 @@ class ImageToolbar extends BaseFloat {
     event.stopPropagation()
 
     const { imageInfo } = this
+    let isLocalImage = false
+    if (this.isLocalFile(imageInfo)) {
+      isLocalImage = true
+    }
     switch (item.type) {
       // Delete image.
       case 'delete':
@@ -135,8 +151,22 @@ class ImageToolbar extends BaseFloat {
         this.muya.contentState.updateImage(this.imageInfo, 'data-align', item.type)
         return this.hide()
       }
+      case 'open': {
+        if (isLocalImage) {
+          this.muya.contentState.openImage(this.imageInfo)
+          this.hide()
+        }
+      }
     }
   }
+
+  isLocalFile (imageInfo) {
+    const { attrs } = imageInfo.token
+    if (URL_REG.test(imageInfo.token.src) || URL_REG.test(attrs.src)) {
+      return false
+    }
+    return true
+  }
 }
 
 export default ImageToolbar
diff --git a/src/muya/lib/utils/getImageInfo.js b/src/muya/lib/utils/getImageInfo.js
index 22d54795..968a1806 100644
--- a/src/muya/lib/utils/getImageInfo.js
+++ b/src/muya/lib/utils/getImageInfo.js
@@ -12,10 +12,13 @@ export const getImageInfo = image => {
     start: offset,
     end: offset + raw.length
   }
+  const imageContainer = image.querySelector('.ag-image-container')
+  const absoluteImagePath = imageContainer.firstChild.currentSrc
   return {
     key: paragraph.id,
     token,
-    imageId: image.id
+    imageId: image.id,
+    absoluteImagePath: absoluteImagePath
   }
 }
 
diff --git a/src/renderer/components/editorWithTabs/editor.vue b/src/renderer/components/editorWithTabs/editor.vue
index 0b407039..811e7aa7 100644
--- a/src/renderer/components/editorWithTabs/editor.vue
+++ b/src/renderer/components/editorWithTabs/editor.vue
@@ -533,6 +533,7 @@ export default {
         spellcheckEnabled: spellcheckerEnabled,
         imageAction: this.imageAction.bind(this),
         imagePathPicker: this.imagePathPicker.bind(this),
+        openImageWithExternalTool: this.openImageWithExternalTool.bind(this),
         clipboardFilePath: guessClipboardFilePath,
         imagePathAutoComplete: this.imagePathAutoComplete.bind(this)
       }
@@ -775,6 +776,10 @@ export default {
       return this.$store.dispatch('ASK_FOR_IMAGE_PATH')
     },
 
+    openImageWithExternalTool (absoluteImagePath) {
+      return shell.openPath(absoluteImagePath)
+    },
+
     keyup (event) {
       if (event.key === 'Escape') {
         this.setImageViewerVisible(false)