小儿上消化道出血在临床上并非少见,其病因在不同年龄组有较大差别,有关资料国内较少报道,现将本科近8年收住院小儿上消化道出血103例作一病因学分析,以供临床参考。诊断依据一、呕血或由鼻胃管内吸出血性液体、咖啡色液体者;二、排黑色柏油样大便或排暗红色血便经特殊检查发现病变位于上消化道者; Pediatric upper gastrointestinal bleeding is not uncommon in clinical, the cause of the larger differences in different age groups, the domestic data less reported, now undergraduate admitted to hospital for nearly 8 years, 103 cases of upper gastrointestinal bleeding for an etiological analysis, For clinical reference. Diagnosis based on a hematemesis or sucked by the nasogastric tube of bloody fluid, brown liquid; Second, the row of black tarry stools or row of dark red blood found by a special inspection lesions located in the upper gastrointestinal;