Conclusion ALG/ATG in treatment of severe aplastic anemia was valid and safe.ANC would be a prognostic factor for efficiency in SAA.

• 结论ALG/ATG作为重要免疫抑制剂治疗SAA疗效肯定，其相关不良反应可获得较好控制，而治疗前患者外周血ANC可能对疗效判断有提示意义。