自1969年Palmer氏强调对上消化道出血进行紧急窥镜检查以来,明显提高了上消化道出血病因的确诊率。我院自1975年3月～1981年8月,对142例进行了出血24小时内紧急窥镜检查。出血部位以十二指肠球部最多见(69例,占47.9%),其次为胃、食管病变。病变性质以溃疡占多数(75例占52.8%),十二指肠球部溃疡更为常见(55例占总数的38.7%); Since 1969 Palmer’s emphasis on emergency endoscopy for upper gastrointestinal bleeding has significantly increased the diagnosis of etiology of upper gastrointestinal bleeding. Our hospital from March 1975 to August 1981, 142 cases of bleeding within 24 hours of emergency endoscopy. Bleeding site to the duodenum most see (69 cases, accounting for 47.9%), followed by stomach, esophageal lesions. The majority of the lesions were ulcers (75 cases accounted for 52.8%), duodenal ulcer was more common (55 cases accounted for 38.7% of the total);