常用的血浆凝血因子制剂有凝血因子Ⅷ浓缩剂、凝血酶原复合物浓缩剂（ＰＣＣ）、冷沉淀及纤维蛋白原浓缩剂。这些制剂给相应因子缺乏的出血性疾病患者输入后可达到止血目的。本文对３例严重出血病人进行凝血因子制剂治疗取得显著疗效，报告如下。１病历简介 例１，男，３５岁， Commonly used plasma clotting factor preparations are coagulation factor Ⅷ concentrates, prothrombin complex concentrates (PCC), cryoprecipitate and fibrinogen concentrates. These preparations to the corresponding factors in patients with hemorrhagic disease input can achieve the purpose of hemostasis. In this paper, 3 cases of severe bleeding patients clotting factor treatment achieved a significant effect, the report is as follows. 1 medical records brief introduction Example 1, male, 35 years old,