肠易激综合征(IBS)是胃肠道常见的一组肠功能紊乱性疾病,呈慢性经过。IBS的病因和发病机制尚不十分清楚。一般认为IBS属多因素的生理-心理-社会范畴的疾病。近年的研究发现,IBS的发病机制与中枢神经系统和肠神经丛功能失调密切相关,可导致内脏敏感性增高和肠运动功能紊乱,内脏 Irritable bowel syndrome (IBS) is a common group of gastrointestinal disorders of intestinal disorders, was chronic. The etiology and pathogenesis of IBS is not yet clear. IBS is generally considered a multifactorial psycho-psychiatric-social category of disease. Recent studies have found that the pathogenesis of IBS is closely related to central nervous system and intestinal plexus dysfunction, which can lead to increased visceral sensitivity and intestinal motility disorders,