对5例小儿（1～5岁）巨大肾母细胞瘤行选择性血管造影，井行术前栓塞化疗、肿瘤下界均超过髂前上棘水平，内界超过腹中线，1例并伴广泛肺转移。本文介绍肾母细胞瘤栓塞化疗的指征和方法。栓塞化疗可使药物直接作用于肿瘤病灶，剂量小，副作用少，效果明显，可将术前化疗时间缩短至2周左右，手术时出血少，易完整切除，但可出现临床分期的“降期”现象。 In 5 pediatric patients (1-5 years) with giant nephroblastoma, selective angiography was performed. Before operation, the chemoembolization and chemoembolization were performed. The tumor lower than the anterior superior iliac spine was beyond the anterior superior iliac spine. Transfer. This article describes the indications and methods of nephroblastoma chemotherapy. Embolization chemotherapy can make drugs directly on the tumor lesions, small dose, less side effects, the effect is obvious, the preoperative chemotherapy can be shortened to 2 weeks, less bleeding surgery, easy to complete removal, but there may be clinical stage “down ”phenomenon.