报道肾囊肿２８４例穿刺硬化治疗情况，根据采用的治疗方法分成Ⅰ组注入无水乙醇不抽出；Ⅱ组注入无水乙醇部分抽出；Ⅲ组注入无水乙醇全部回抽再重新注入无水乙醇。结果３组间术后肾囊肿消失率比较差异均有显著性（Ｐ＜０．０５），其中Ⅲ组疗效最显著。对高位、肾上极囊肿采用坐位穿刺成功率高，未发现并发症。保持囊腔内乙醇高浓度是提高囊肿闭合的关键。 Report of 284 cases of renal cyst puncture sclerosis treatment, according to the treatment method used were divided into Ⅰ group injected anhydrous ethanol is not extracted; Ⅱ group of ethanol extracted partially withdrawn; Ⅲ group all ethanol withdrawn and then re-injected ethanol. Results There were significant differences in the rate of disappearance of renal cysts after operation among the three groups (P <0.05), of which the effect of group Ⅲ was the most significant. On the high, suprarenal pole cyst puncture using a high success rate, no complications were found. Keep the high concentration of ethanol in the cyst is the key to improve the closure of the cyst.