目的总结分析47例符合诊断标准的过敏性直肠炎(AP)患儿的临床特征和预后。方法回顾性分析47例AP患儿的临床资料、实验室、内镜检查以及随访的结果。结果诊断AP时年龄平均为1.8月龄,临床主要表现为大便表面附有血丝(100%),多为软便(57.4%),并可反复出现。父和/或母亲有变应性疾病史(38.3%)。结论对于有典型临床表现和变应性疾病家族史的患儿应考虑到AP的诊断,这两者对确诊AP有十分重要的意义。 Objective To summarize and analyze the clinical features and prognosis of 47 children with allergic proctitis (AP) who meet the diagnostic criteria. Methods Retrospective analysis of 47 cases of AP children with clinical data, laboratory, endoscopy and follow-up results. Results The average age of diagnosis of AP was 1.8 months old. The main clinical manifestations were stool with bloodshots (100%), mostly soft stools (57.4%), and recurrences. The father and / or mother had a history of allergic disease (38.3%). Conclusions The diagnosis of AP should be considered in children with typical clinical manifestations and a family history of allergic disease, both of which are of great importance for the diagnosis of AP.