本文从年龄,可能诱发因素,出血、贫血、骨髓检查及治疗转归等方面分析小儿原发性血小板减少性紫癜83例。l～6岁占49.4％,有明显诱发因素占37.35％,急性型占92.7％,慢性型占7.23％,巨核细胞数平均为76.45个/片。本组用强的松、输血等对症治疗大都痊愈,好转出院。无1例死亡。 This article analyzes 83 cases of pediatric thrombocytopenic purpura from the aspects of age, possible inducing factors, bleeding, anemia, bone marrow examination and treatment outcome. l ~ 6 years old accounted for 49.4%, 37.35% were obvious inducers, acute type accounted for 92.7%, chronic type accounted for 7.23%, the average number of megakaryocytes was 76.45 / piece. This group with prednisone, blood transfusion and other symptomatic treatment are mostly cured, improved discharged. No one died.