肠易激综合征（IBS）是消化系最常见的功能紊乱性疾病，为消化道、精神状态及肠腔因素三者相互作用所致的症候群。本病约占消化疾病门诊的卫／3～1／2［’］，其确切病因尚不明了，本文对其发病机制和中西医治疗进展作一综述，现介绍如下。互发病机制卫．卫心理因素：心理因素 Irritable bowel syndrome (IBS) is the most common dysfunctional digestive system disease, gastrointestinal, mental state and intestine factors caused by the interaction of the three syndromes. The disease accounted for about digestive disease clinic / 3 ~ 1/2 [’], the exact cause is not clear, this article on its pathogenesis and treatment of traditional Chinese and Western medicine are reviewed, are presented below. Mutual pathogenesis Wei. Wei psychological factors: psychological factors