肠易激综合征(IBS)是一种以腹部不适/腹痛伴排便习惯改变为特征的常见的功能性肠病[1],估计人群发病率在5%~25%[2],占消化科求诊人数的50%[3],其对生活质量等各方面的影响不亚于消化性溃疡病等器质性病变[4]。广东省深圳地区是一个经济发达、生活节奏快、从事高科技及闲居人员 Irritable bowel syndrome (IBS) is a common functional bowel disease characterized by changes in abdominal discomfort / abdominal pain with bowel habits [1], with an estimated population incidence of 5% -25% [2] 50% of the number of consultation [3], its quality of life and other aspects of the impact of peptic ulcer disease and other organic diseases as much as [4]. Shenzhen, Guangdong Province is a developed economy, fast-paced life, engaged in high-tech and leisure personnel