(Yunnan University of TCM,Kunming Yunnan,650500)Based on the investigation of traditional medicine of Nu ethnic group, articles that the area of Nu ethnic group has abundant resources of natural medicines, Nu folk have abundant drug experience and unique therapy method, the traditional ethnographical activity of Nu ethnic group implies abundant academic thoughts and healthy intelligence. But without lettering, along with the increasing modernization course, these precious academic thoughts knowledge and experience are in danger of being lost. This article comps up with discussion and suggestion to protect and inherit traditional medicine.