功能性胃肠病(FGIDs)是消化系统较常见的疾病。主要为胃肠道的运动与分泌功能失调及感觉异常,而无器质性病理改变。临床常主要表现为腹痛、腹胀、恶心、早饱、呕吐、腹泻及排便困难等症状,也可伴有其它功能性症状。长期以来,由于无法获得客观的FGIDs依据,临床医生对FGIDs的诊断 Functional gastrointestinal diseases (FGIDs) are the most common diseases of the digestive system. Mainly gastrointestinal motility and secretion disorders and sensory abnormalities, but no organic pathological changes. Clinical often manifested as abdominal pain, abdominal distension, nausea, early satiety, vomiting, diarrhea and defecation and other symptoms may also be accompanied by other functional symptoms. For a long time, clinicians diagnosed FGIDs because of the inability to obtain objective evidence of FGIDs