胃食管返流疾病（GERD）是一种很常见的上消化道疾患，主要表现为胃灼热感，也可有非肠道症状，如声嘶、咽异感、咽下困难、慢性咽部刺激性咳嗽及耳痛，有的病人还主诉咽痛及胸痛感。以往诊断GERD根据病史、食管测压法、盐酸激发试验，纤维内腔镜检、对比剂X线检查、食管闪烁造 Gastro-esophageal reflux disease (GERD) is a common upper gastrointestinal disorder characterized mainly by heartburn and parenteral symptoms such as hoarseness, pharyngeal dysphagia, dysphagia, chronic pharyngeal irritation Cough and earache, some patients also complained of sore throat and chest pain. The past diagnosis of GERD according to history, esophageal manometry, hydrochloric acid provocation test, fiber endoscopy, contrast X-ray examination, esophageal scintigraphy