This article is to introduce Professor WANG Xingkuan's clinical experience in using Chinese medicine to treat ulcerative colitis. Prof. WANG holds that the disease name of ulcerative colitis in Chinese medicine should be Da Jia Xie (acute temesmus), which is due to being invaded by exogenous pathogen, improper diet, overtiredness, emotional internal injury, etc. The factors lead to impairment of governing management and regulation of the lung, the liver losing its controlling conveyance and dispersion, dysfunction of spleen in transportation...