Abstract: Yishui School, as a unique medical school in the history of traditional Chinese medicine, has greatly enriched the theoretical connotation of traditional Chinese medicine with its dialectical views on the organs, emphasis on the spleen and stomach, the theory of introducing meridians and promoting circulation, and the theory of ascending, descending, floating, and sinking. LI Fuhai is a disciple of Professor Lu Zhizheng, a master of traditional Chinese medicine. This article aims to discuss three medical cases encountered by Dr.LI during the process of clinical practices, analyzes the application and inspiration of the theory of Shengjiang in Yishui School, and provide ideas for further inheriting the ideas of Yishui School, innovating treatment methods and improving clinical efficacy.

Key words: Yishui School, the theory of Shengjiang, LI Fuhai