胶囊内镜检查是诊断小肠疾病的重要方法，而胶囊内镜滞留于小肠是检查过程中最主要及严重的并发症，常发生于克罗恩病、小肠肿瘤、肠道憩室、肠结核及腹部手术史等致肠腔狭窄的疾病。发现胶囊内镜滞留小肠，要密切观察有无肠梗阻症状，积极治疗原发疾病的同时，适时采取小肠镜下取出异物或外科手术干预是十分重要的。“,”Capsule endoscopy is an important method for the diagnosis of small intestinal diseases, and that capsule endoscope retention in the small intestine is the most important and serious complication in the process of this technique.It often occurs in the diseases of intestinal stenosis caused by Crohn′s disease, small intestinal tumor, intestinal tuberculosis and after abdominal surgery.Once capsule endoscope retention occurs, it is necessary to observe the symptoms of intestinal obstruction, to treat the primary disease actively, and it is very important to remove the foreign body by the enteroscopy or surgical intervention timely.