我科自1990年2月～1996年10月，应用3％过氧化氢（H2O2）溶液治疗肾结石手术中出血36例，收到良好效果，现介绍如下。1临床资料1．1一般情况本组男20例，女16例，平均年龄45岁。分别因鹿角状肾盂结石（15例），多发性肾孟肾盏结石（21例），行肾孟切开取石（23例），肾窦内肾盂 Our department from February 1990 to October 1996, the application of 3% hydrogen peroxide (H2O2) solution in the treatment of renal stones in 36 cases of bleeding, received good results, are presented below. 1 Clinical data 1.1 General This group of 20 males and 16 females, with an average age of 45 years. Respectively due to deer horn like pelvis (15 cases), multiple renal calyceal calculus (21 cases), renal pelvis (23 cases), intrarenal renal pelvis