This paper summarized professor QIN Danping's experience in treating long-term diarrhea with the method of fortifying the spleen and dispelling dampness. Spleen deficiency and dampness excess is the basic pathogenesis of long-term diarrhea， and thus the treatment method is mainly fortifying the spleen and dispelling dampness. As the spleen earth governs transportation and transformation， its deficiency tends to be supplemented with

yang

， and the method of warming spleen， removing dampness， drying dampness， promoting urination， and warming kidney can be used， together with bland medicinals to percolate and raise clear

yang

and to drain water and grain such as the herbal pair of Yiyiren （

Semen Coicis

）-Fangfeng （

Radix Saposhnikoviae

）. Besides， it is suggested to put focus on the correlations between

zang fu

（脏腑） organs. For liver-spleen disharmony， the method of softening the liver and soothing the liver is commonly used， and psychological counseling can be considered. For lung-intestine irregularity，

Siwei Shaoyao Powder

（四味芍药散） is usually used to diffuse the lung and raise clear yang. Simultaneously， the harmony between deficiency and excess， cold and heat should be considered. For deficiency and excess integration， it is suggested to supplement deficiency and dispel excess， and pay equal attention to nourishing

yin

and dispelling dampness. For cold and heat in complexity， combination of cold and warm medicinals is suggested， and clearing heat and dispelling cold are both important； in terms of binding of cold and heat，

Banxia Xiexin Decoction

（半夏泻心汤），

Shengjiang Xiexin Decoction

（生姜泻心汤）， and

Gancao Xiexie Decoction

（甘草泻心汤） in their modifications can be used； in terms of upper heat and lower cold，

Modified Wumei Pill

（乌梅丸加减） is advised.