小儿白血病是小儿恶性肿瘤发病率最高的一种,1990～1999年我科确诊的白血病患者共254例,化疗仍是我们治疗的主要手段,总结以往治疗失败的主要原因有三方面:(1)化疗方案不强烈,易复发;(2)患儿家属对疾病认识不足,不能很好配合,治疗不规则;(3)患儿家属经济困难或对疾病治疗信心不 Pediatric leukemia is the highest incidence of malignant tumors in children, 1990-1999, a total of 254 patients with leukemia diagnosed in our department, chemotherapy is still the main means of our treatment, to summarize the main reasons for failure in the past there are three aspects: (1) chemotherapy Program is not strong, easy to relapse; (2) family members of children with inadequate understanding of the disease, can not be well coordinated, irregular treatment; (3) children with economic difficulties or treatment of disease is not confident