非溃疡性消化不良（简称ＮＵＤ）又称功能性消化不良，为国外学者习用的诊断术语，早在１９５１年Ｄｏｌｌ等对６０００名伦敦几个公司的雇员进行调查，结果３０％在调查前５年间有过消化不良史，在处于负责地位的人中，消化不良的发生率较高[1]，流行病学调查美国人群中每年有 Non-ulcer dyspepsia (referred to as NUD), also known as dysfunctional dyspepsia, the diagnostic terms used by foreign scholars as early as 1951 Doll and other 6,000 employees in several companies in London survey, the results of 30% in the first five years of the survey Had a history of indigestion, among those in a responsible position, the incidence of dyspepsia is high [1], epidemiological surveys each year in the U.S. population