1.安装PyQt5 win+R cmd 运行,输入 pip install PyQt5 -i https://pypi.douban.com/simple 2.安装Qt工具包 pip install PyQt5-tools -i https://pypi.douban.com/simple 然后到Python目录下site-packages里面会有PyQt5/pyqt5-tools两个目录。如果之前安装了annconda就在annconda根目录下找site-packages 可以运行这个