肠易激综合征 (irritablebowelsyndrome ,IBS)属胃肠功能紊乱性疾病 ,临床表现为腹胀、腹痛、排便习惯改变和大便性状改变等 ,但无器质性改变和生化指标的异常。目前 ,该病病因和发病机制仍有待进一步阐明 ,药物治疗发展缓慢。近几年 ,对该病采取联合用药的方法取得较好疗效 , Irritable bowel syndrome (IBS) is a gastrointestinal disorders, clinical manifestations of bloating, abdominal pain, bowel habits and stool changes, but no organic changes and biochemical abnormalities. At present, the etiology and pathogenesis of the disease remains to be further elucidated, the slow development of drug treatment. In recent years, the joint treatment of the disease to obtain a better effect,