By analyzing the common causes of infantile diarrhea and the pathogenesis of spleen deficiency and dampness excess, this paper discusses the application of professor Shulan’s Jianpi Huashi prescription in the treatment of infantile diarrhea which involves exogenous windcold syndrome, cold-heat mixed syndrome, and spleen deficiency syndrome, with an aim to provide experience and reference for treating infantile diarrhea with tra...