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

Qi movement stagnation and fluid-dampness without transformation

which results in Qi stagnation-blockade of dampness in intestine

heat transformed from long term stagnation

intestinal epithelium injured by dampness-heat-stasis-toxin

as well as sore from blood vessels decay. The root cause of the disease is dysfunction of lung

liver

spleen and large intestine; while the manifestation is Qi stagnation

dampness-heat and stasis-toxin. Prof. WANG designs Da Jia Xie Decoction to ventilatelung Qi

regulate intestine

invigorate the spleen

disperse the stagnated liver-energy

clear dampness-heatstasis-toxin

hemostasis and expel pus.