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为了提高对小儿下消化道出血的诊治水平。对１２３例１２岁以内下消化道出血患儿，按不同年龄分为五组，又按出血量的大小分为急性大出血和慢性间歇性出血两大类，从而找出不同年龄组及急慢性出血的常见原因。结果发现年龄越小病死率越高，不明原因的下消化道急性大出血也是致死的主要原因。对下消化道出血患儿详细地询问病史，按诊断程序全面进行检查，绝大多数病例可得到明确诊断。根据检查结果积极地进行治疗是减少病死率和并发症的主要环节。
In order to improve the diagnosis and treatment of children with lower gastrointestinal bleeding. 123 cases of 12-year-old children with lower gastrointestinal bleeding, divided into five groups according to different ages, and according to the size of the amount of bleeding divided into acute major bleeding and chronic intermittent bleeding two broad categories to identify different age groups and acute and chronic bleeding The common reason. The results showed that the younger the case fatality rate, unexplained acute massive bleeding of the lower gastrointestinal tract is also the main cause of death. Children with lower gastrointestinal bleeding detailed history, according to diagnostic procedures to conduct a comprehensive examination, the vast majority of cases can be diagnosed. Active treatment based on the test results is a major part of reducing mortality and complications.