Dieulafoy’s病是引起上消化道大出血的少见原因。在诊断困难的上消化道出血病因中，血管异常是主要的致病因素，其中Dieulafoy’s病越来越为人们所关注。1987～1995年，我们先后诊治5例，报告如下。1临床资料1．1一般情况5例中，男4例，女1例；年龄21～65岁，本次5例临床表现 Dieulafoy’s disease is a rare cause of upper gastrointestinal bleeding. In the diagnosis of difficult causes of upper gastrointestinal bleeding, vascular abnormalities are the main causative factors, of which Dieulafoy’s disease is more and more people’s attention. From 1987 to 1995, we successively treated and treated 5 patients, the report is as follows. 1 Clinical data 1.1 General 5 cases, 4 males and 1 females; aged 21 to 65 years, the clinical manifestations of 5 cases