pip install wheel

http://www.lfd.uci.edu/~gohlke/pythonlibs/

找到

• lxml-3.6.4-cp35-cp35m-win32.whl
• lxml-3.6.4-cp35-cp35m-win_amd64.whl

放到Python 目录下

pip install lxml-3.6.4-cp35-cp35m-win_amd64.whl