功能性消化不良(FD)是指存在消化不良症状而无法用器质性病变或生化异常解释的消化功能异常性疾病。FD在人群中患病率很高,以消化不良为主诉的患者占普通内科门诊11%,占消化内科门诊53%。其发生涉及因素甚多,近年大量研究集中于胃肠动力障碍。已有的文献表明,消化道动力状态与 Functional dyspepsia (FD) refers to the presence of dyspeptic symptoms and can not be used to explain the abnormal organic or biochemical abnormalities of digestive disorders. The prevalence of FD in the population is very high, with dyspepsia as the main complaint of patients in the general medical clinic 11%, accounting for 53% of gastroenterology clinics. Its occurrence involves many factors, in recent years a large number of studies focused on gastrointestinal motility disorders. The literature shows that the dynamic state of digestive tract and