diff --git a/.settings/org.eclipse.core.resources.prefs b/.settings/org.eclipse.core.resources.prefs
index 9ecaf7f..9b40e4d 100644
--- a/.settings/org.eclipse.core.resources.prefs
+++ b/.settings/org.eclipse.core.resources.prefs
@@ -1,5 +1,6 @@
 eclipse.preferences.version=1
 encoding//Demo/AutoRestart.py=utf-8
+encoding//Demo/CallVirtualKeyboard.py=utf-8
 encoding//Demo/CircleLine.py=utf-8
 encoding//Demo/EmbedWindow.py=utf-8
 encoding//Demo/FacePoints.py=utf-8
diff --git a/Demo/CallVirtualKeyboard.py b/Demo/CallVirtualKeyboard.py
new file mode 100644
index 0000000..b44af51
--- /dev/null
+++ b/Demo/CallVirtualKeyboard.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Created on 2019年5月22日
+@author: Irony
+@site: https://pyqt5.com https://github.com/892768447
+@email: 892768447@qq.com
+@file: Demo.CallVirtualKeyboard
+@description: 调用系统虚拟键盘
+"""
+import glob
+
+from PyQt5.QtCore import QProcess, QSysInfo
+from PyQt5.QtWidgets import QWidget, QTextEdit, QVBoxLayout, QPushButton
+
+
+__Author__ = 'Irony'
+__Copyright__ = 'Copyright (c) 2019 Irony'
+__Version__ = 1.0
+
+
+class Window(QWidget):
+
+    def __init__(self, *args, **kwargs):
+        super(Window, self).__init__(*args, **kwargs)
+        layout = QVBoxLayout(self)
+        self.resultEdit = QTextEdit(self)
+        self.resultEdit.setReadOnly(True)
+        layout.addWidget(self.resultEdit)
+        layout.addWidget(QPushButton(
+            '打开虚拟键盘', self, clicked=self._onOpenKeyboard))
+
+    def _onOpenKeyboard(self):
+        kernelType = QSysInfo.kernelType()
+        if kernelType == 'winnt':
+            try:
+                path = glob.glob(
+                    r'C:\Windows\WinSxS\amd64_microsoft-windows-osk_*\osk.exe')[0]
+                ret = QProcess.startDetached(path)
+                self.resultEdit.append('start 64 osk: %s' % ret)
+            except Exception as e:
+                self.resultEdit.append('start osk error: %s' % e)
+            try:
+                # 32位程序调用64位操作系统下的程序会被重定向到SysWOW64目录
+                # 可通过`Wow64DisableWow64FsRedirection`和`Wow64RevertWow64FsRedirection`控制
+                ret = QProcess.startDetached(r'C:\Windows\system32\osk.exe')
+                self.resultEdit.append('start 32 osk: %s' % ret)
+            except Exception as e:
+                self.resultEdit.append('start osk error: %s' % e)
+        elif kernelType == 'darwin':
+            pass
+#         elif kernelType=='linux':
+        else:
+            ret = QProcess.startDetached('florence')
+            self.resultEdit.append('start florence: %s' % ret)
+            ret = QProcess.startDetached('onboard')
+            self.resultEdit.append('start onboard: %s' % ret)
+            ret = QProcess.startDetached('kvkbd')
+            self.resultEdit.append('start kvkbd: %s' % ret)
+
+
+if __name__ == '__main__':
+    import sys
+    from PyQt5.QtWidgets import QApplication
+    app = QApplication(sys.argv)
+    w = Window()
+    w.show()
+    sys.exit(app.exec_())
diff --git a/Demo/README.md b/Demo/README.md
index 980ebdf..cab8264 100644
--- a/Demo/README.md
+++ b/Demo/README.md
@@ -21,6 +21,7 @@
   - [无边框圆角对话框](#18无边框圆角对话框)
   - [调整窗口显示边框](#19调整窗口显示边框)
   - [判断信号是否连接](#20判断信号是否连接)
+  - [调用虚拟键盘](#21调用虚拟键盘)
 
 ## 1、重启窗口Widget
 [运行 RestartWindow.py](RestartWindow.py)
@@ -204,4 +205,13 @@ PyQt 结合 Opencv 进行人脸检测；
 
 通过 `isSignalConnected` 判断是否连接
 
-![IsSignalConnected](ScreenShot/IsSignalConnected.png)
\ No newline at end of file
+![IsSignalConnected](ScreenShot/IsSignalConnected.png)
+
+## 21、调用虚拟键盘
+[运行 CallVirtualKeyboard.py](CallVirtualKeyboard.py)
+
+1. Windows上调用的是`osk.exe`
+2. Linux上调用的是`florence`,`onboard`,`kvkbd`,这三种屏幕键盘需要自行安装
+
+![CallVirtualKeyboard1](ScreenShot/CallVirtualKeyboard1.png)
+![CallVirtualKeyboard2](ScreenShot/CallVirtualKeyboard2.png)
\ No newline at end of file
diff --git a/Demo/ScreenShot/CallVirtualKeyboard1.png b/Demo/ScreenShot/CallVirtualKeyboard1.png
new file mode 100644
index 0000000..90bb7bf
Binary files /dev/null and b/Demo/ScreenShot/CallVirtualKeyboard1.png differ
diff --git a/Demo/ScreenShot/CallVirtualKeyboard2.png b/Demo/ScreenShot/CallVirtualKeyboard2.png
new file mode 100644
index 0000000..b3556cf
Binary files /dev/null and b/Demo/ScreenShot/CallVirtualKeyboard2.png differ
diff --git a/README.md b/README.md
index c74d778..728aeb4 100644
--- a/README.md
+++ b/README.md
@@ -201,6 +201,7 @@ https://pyqt5.com 社区是专门针对PyQt5学习和提升开设的博客网站
   - [使用Threading](Demo/QtThreading.py)
   - [背景连线动画](Demo/CircleLine.py)
   - [判断信号是否连接](Demo/IsSignalConnected.py)
+  - [调用虚拟键盘](Demo/CallVirtualKeyboard.py)
 
 # QQ群