C:\Program Files\Python36\Scripts>pip install numpy Installing collected packages: numpy Exception: Traceback (most recent call last): File "c:\program files\python36\lib\site-packages\pip\basecommand.py", line 215, in main status = self.run(options, args) File "c:\program files\python36\lib\site-packages\pip\commands\install.py", line 342, in run prefix=options.prefix_path, File "c:\program files\python36\lib\site-packages\pip\req\req_set.py", line 784, in install **kwargs File "c:\program files\python36\lib\site-packages\pip\req\req_install.py", line 851, in install self.move_wheel_files(self.source_dir, root=root, prefix=prefix) File "c:\program files\python36\lib\site-packages\pip\req\req_install.py", line 1064, in move_wheel_files isolated=self.isolated, File "c:\program files\python36\lib\site-packages\pip\wheel.py", line 345, in move_wheel_files clobber(source, lib_dir, True) File "c:\program files\python36\lib\site-packages\pip\wheel.py", line 316, in clobber ensure_dir(destdir) File "c:\program files\python36\lib\site-packages\pip\utils__init__.py", line 83, in ensure_dir os.makedirs(path) File "c:\program files\python36\lib\os.py", line 220, in makedirs mkdir(name, mode) PermissionError: [WinError 5] 拒绝访问。: 'c:\program files\python36\Lib\site-packages\numpy'

加上 --user提升权限搞定 C:\Program Files\Python36\Scripts>pip install --user numpy