肠易激综合征(irritable bowel syndrome。IBS)是一组持续或间歇性发作的以大便性状与次数改变为主要特征的肠道功能性异常的疾病,在中医学中属“泄泻”、“腹痛”、“便秘”等范畴。根据症状分为腹泻型、便秘型和腹泻便秘交替型,IBS是最常见的消化系疾病之一。目前,IBS的病因尚未完全明了,其涉及的因素较多,也不明 Irritable bowel syndrome (IBS) is a group of persistent or intermittent episodes of bowel dysfunction characterized by altered stool traits and changes in frequency. , “Abdominal pain ”, “constipation ” and other areas. According to the symptoms are divided into diarrhea, constipation and constipation diarrhea alternating type, IBS is one of the most common digestive diseases. At present, the etiology of IBS is not yet fully understood, and its number of factors involved is not clear