胃食管反流病（gastroesophsgeal reflux disease,GERD）指胃内容物反流入食管引起的不适症状，可伴食管轴膜的损伤和（或）其他并发症状，分为非糜烂性反流病、糜烂性食管炎、Barrett食管，是常见的上消化道疾病。随着生活水平的提高及人口的老龄化，其发病率有升高的趋势，本文就近年来GERD相关诊断及其内镜下表现作一综述，有助于疾病诊断及鉴别诊断，并采取合理治疗措施。“,”Gastroesophageal reflux disease (GERD) refers to the contents of stomach into the esophagus causing discomfort symptoms, accompanied by esophageal shaft membrane damage or other concurrent symptoms. Divided into non-erosive reflux disease, erosive esophagitis, Barrett esophagus, it is a common disease of upper gastrointestinal tract. With the improvement of living standards and the ageing of the population, its incidence has a tendency to rise. This article to GERD associated diagnosis and endoscopic performance as summarized. It is helpful to diagnosis and identification of the disease.