功能性消化不良（ＦＤ）是指一组包括上腹痛或不适、腹胀、早饱、嗳气、恶心、呕吐、泛酸或烧心等症状，持续４周以上，经胃镜、上消化道钡餐造影及Ｂ超等检测尚未发现任何明确病因的疾病。一般可分为：①溃疡样消化不良；②动力紊乱性消化不良；③反流样消化不良；④混合型； Functional dyspepsia (FD) refers to a group of symptoms including upper abdominal pain or discomfort, abdominal distension, early fullness, belching, nausea, vomiting, pantothenic acid or heartburn, for more than 4 weeks, endoscopy, upper gastrointestinal barium meal and B- Other tests have not found any clear cause of the disease. Generally can be divided into: ① ulcer-like dyspepsia; ② power disorder dyspepsia; ③ reflux dyspepsia; ④ mixed type;