根据国内儿科住院病例统计,小儿急性肾炎占泌尿系住院病例的半数以上。而肾病综合征则占1/3左右。肾病综合征的发生率仅次于肾炎,且以单纯(原发)性居多。根据国外病理资料,肾病综合征7％～80％为微小病变型,故多数病例对肾上腺皮质激素(以下简称激素)反应良好。因激素治疗疗程漫长,久用有严重副作用等诸多问题,使一些病人难以坚持导致失败和病情反复. According to the statistics of domestic pediatric inpatients, pediatric acute nephritis accounts for more than half of urinary tract inpatient cases. Nephrotic syndrome accounts for about 1/3. The incidence of nephrotic syndrome is second only to nephritis, and simple (primary) mostly. According to foreign pathological data, 7% to 80% of nephrotic syndrome is a minor lesion, so the majority of cases respond well to adrenocorticotropic hormone (hereinafter referred to as hormone). Due to long course of hormone therapy, long time with serious side effects and many other issues, so that some patients can not insist on leading to failure and repeated illness.