diff --git a/browser/components/MarkdownSplitEditor.js b/browser/components/MarkdownSplitEditor.js
index 7118c059..8dcf0835 100644
--- a/browser/components/MarkdownSplitEditor.js
+++ b/browser/components/MarkdownSplitEditor.js
@@ -1,17 +1,68 @@
 import React from 'react'
+import CodeEditor from 'browser/components/CodeEditor'
+import MarkdownPreview from 'browser/components/MarkdownPreview'
+import { findStorage } from 'browser/lib/findStorage'
 
 import styles from './MarkdownSplitEditor.styl'
 import CSSModules from 'browser/lib/CSSModules'
 
 class MarkdownSplitEditor extends React.Component {
+  constructor (props) {
+    super(props)
+    this.state = {
+      value: props.value
+    }
+    this.value = props.value
+    this.focus = () => this.refs.code.focus()
+    this.reload = () => this.refs.code.reload()
+  }
+
+  componentWillReceiveProps (props) {
+    this.setState({ value: props.value })
+  }
+
+  handleOnChange (e) {
+    const value = this.refs.code.value
+    this.setState({ value }, () => {
+      this.value = value
+      this.props.onChange()
+    })
+  }
+
   render () {
+    const { config, storageKey } = this.props
+    const { value } = this.state
+    const storage = findStorage(storageKey)
     return (
       <div styleName='root'>
         <div styleName='editor'>
-          <p>editor</p>
+          <CodeEditor
+            ref='code'
+            mode='GitHub Flavored Markdown'
+            value={value}
+            theme={config.editor.theme}
+            keyMap={config.editor.keyMap}
+            fontFamily={config.editor.fontFamily}
+            indentType={config.editor.indentType}
+            scrollPastEnd={config.editor.scrollPastEnd}
+            storageKey={storageKey}
+            onChange={e => this.handleOnChange(e)}
+         />
         </div>
         <div styleName='preview'>
-          <p>preview</p>
+          <MarkdownPreview
+            theme={config.ui.theme}
+            keyMap={config.editor.keyMap}
+            fontSize={config.preview.fontFamily}
+            codeBlockTheme={config.preview.codeBlockTheme}
+            codeBlockFontFamily={config.editor.fontFamily}
+            lineNumber={config.preview.lineNumber}
+            ref='preview'
+            tabInde='0'
+            value={value}
+            showCopyNotification={config.ui.showCopyNotification}
+            storagePath={storage.path}
+         />
         </div>
       </div>
     )
diff --git a/browser/main/Detail/MarkdownNoteDetail.js b/browser/main/Detail/MarkdownNoteDetail.js
index 39db6c3c..e49dff83 100644
--- a/browser/main/Detail/MarkdownNoteDetail.js
+++ b/browser/main/Detail/MarkdownNoteDetail.js
@@ -277,7 +277,13 @@ class MarkdownNoteDetail extends React.Component {
     const { config, ignorePreviewPointerEvents } = this.props
     const { note } = this.state
     if (this.state.editorType === 'SPLIT') {
-      return <MarkdownSplitEditor />
+      return <MarkdownSplitEditor
+        ref='content'
+        config={config}
+        value={note.content}
+        storageKey={note.storage}
+        onChange={(e) => this.handleChange(e)}
+      />
     } else {
       return <MarkdownEditor
         ref='content'