〔Abstract〕 Diarrhea is a common clinical disease.The main viscera of the disease is the spleen and is closely related to the other four viscera.But clinical doctors mostly treat diarrhea from the liver, spleen, and kidney viscera, rarely from the heart and lung viscera.This article discusses the etiology and pathogenesis of diarrhea caused by the heart and lung viscera, therapeutic principle and method, and the classic medical cases, so as to provide help for the diagnosis and treatment of diarrhea in later generations.