对47例传染性单核细胞增多症(IM)患儿临床、实验室资料进行分析,结果47例临床经过与文献记载一致,14例发生并发症,其中3例因严重并发症死亡,5例早期应用静脉丙种球蛋白治疗者,无1例发生并发症。提示该病根据临床表现及实验室检查,诊断不难。但并发症并不少见,影响预后,早期应用静脉丙种球蛋白治疗,可减少并发症发生。 47 cases of infectious mononucleosis (IM) in children with clinical and laboratory data analysis, the results of 47 cases of clinical records consistent with the literature, 14 cases of complications, of which 3 died of serious complications, 5 cases Early application of intravenous gamma globulin treatment, no one case of complications. Tip of the disease based on clinical manifestations and laboratory tests, the diagnosis is not difficult. However, complications are not uncommon, affect the prognosis, early application of intravenous gamma globulin treatment can reduce the incidence of complications.