1, look at python installation directory has been installed the module: E: \ software python \ Lib under \ \ site-packages
2, if there is no installation pip installation, see "pip use"; if installed, is provided in the inspection pycharm:
file-settings-project program-project interpreter-add-
Select: existing environment, to find their own installation of python program python.exe file is loaded, check applied to all projects, confirmed on the line, then you will see the first figure appears in all of the installed packages available.