弥散性血管内凝血（ＤＩＣ）是急性非淋巴细胞白血病（ＡＮＬＬ），特别是Ｍ３在联合化疗过程中易发生的一种严重并发症，其死亡率高达５０％～８０％［１］。为此，我们在联合化疗的基础上加用了前列腺素Ｅ１（ＰＧＥ１），以预防和治疗ＤＩＣ，并且取得了较好的疗效，现... Disseminated intravascular coagulation (DIC) is an acute non-lymphocytic leukemia (ANLL), especially a serious complication of M3 in the course of combination chemotherapy, with a mortality of up to 50% to 80% [1]. To this end, we added prostaglandin E1 (PGE1) on the basis of combination chemotherapy to prevent and treat DIC, and achieved good curative effect.