肠易激综合征（IBS）是胃肠运动功能紊乱性疾病，因其临床表现复杂无特异性，症状反复发作，病程长而全身状况良好，故易误诊。现结合文献及临床实践，对IBS的诊断体会介绍如下。诊断IBS，必须排除器质性疾病后方能确立。因此，应对病人进行全面的病史、体检及必要的辅助检查， Irritable bowel syndrome (IBS) is a gastrointestinal motility disorders, because of its clinical manifestations of complex non-specific, recurrent symptoms, long duration and good general condition, it is easy to misdiagnosis. Now combined with the literature and clinical practice, the diagnosis of IBS described below. IBS diagnosis, we must rule out organic disease can only be established. Therefore, patients should be comprehensive medical history, physical examination and necessary auxiliary examination,