尝试以下操作:

>>> import matplotlib.font_manager
>>> [f.name for f in matplotlib.font_manager.fontManager.ttflist]
['cmb10', 'cmex10', 'STIXNonUnicode', 'STIXNonUnicode', 'STIXSizeThreeSym', 'STIXSizeTwoSym', 'cmtt10', 'STIXGeneral', 'STIXSizeThreeSym', 'STIXSizeFiveSym', 'STIXSizeOneSym', 'STIXGeneral', 'cmr10', 'STIXSizeTwoSym', ...]
>>> [f.name for f in matplotlib.font_manager.fontManager.afmlist]
['Helvetica', 'ITC Zapf Chancery', 'Palatino', 'Utopia', 'Helvetica', 'Helvetica', 'ITC Bookman', 'Courier', 'Helvetica', 'Times', 'Courier', 'Helvetica', 'Utopia', 'New Century Schoolbook', ...]