Professor WU Rongzu is an important successor of strengthening Yang Qi school in TCM.Based on the extensive use of ,Zhongjing Sini, Decoction, professor WU uses ,Wuyu Sini, Decoction combined with, Linggui Zhugan, Decoction as the main prescription while putting forward the "three-Yin lifting method" theory innovatively, which means rising Yang Qi of "liver meridian of foot-Jueyin" , "spleen meridian of foot-Taiyin" and "kidney meridian of foot-Shaoyin" . It gains significant effect when Professor WU applies the theory and prescription above for clinical diagnose and treatment on many diseases with three-Yin cold syndrome.One of our purposes of writing this article is to explain the "three-Yin lifting method" theory of Mr.WU.And the other one is to interpret Mr.WU’s clinical experiences of using "three-Yin lifting method" theory through six proved cases.We hope this article would do help to our fellows.