Through analysis of epidemiological features of ulcerative colitis, it showed that its pathogenesis is not entirely the same as ‘ recurrent dysentery’ and ‘ chronic dysentery’. The etiology is not only exogenous heat, and improper diet, but also closely related with insufficiency of natural endowment. Otherwise, emotional disorder is an important factor of aggravation and recurrence of the disease. Thus, deficiency of vital qi, remain of evil qi, stagnation of qi and blood, and dysfunctional transportation of large intestine would show, resulting in ulcerative colitis.%通过清疡性结肠炎流行病学特点分析发现,其病因病机并不完全等同于中医"休息痢"、"久痢".其病因不仅与外感沮热、饮食不节相关,而且与禀赋虚弱关系密切,同时情致不畅又是疾病发作与加重的重要因素,从而导致正虚邪留、气血壅滞、大肠传导失常发为本病.
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