白血病是我国35岁以下人群中发病率与死亡率最高的恶性肿瘤。在过去的20年中,由于对白血病本质认识的逐步深入和抗肿瘤化疗方法的进展,其治疗已取得了明显的进步。急性淋巴细胞性白血病70～90%以上,急性非淋巴细胞性白血病 Leukemia is the malignant tumor with the highest morbidity and mortality in people under 35 in China. In the past 20 years, due to the gradual deepening of the understanding of the nature of leukemia and the progress of anti-tumor chemotherapy, its treatment has made significant progress. Acute lymphoblastic leukemia 70 to 90% or more, acute non-lymphocytic leukemia