为观察白斑 号的临床疗效 ,采用质控标准制备药品 ,按临床诊断标准筛选病人进行了疗效观察。结果显示 ,该制剂总有效率达 92 %。 In order to observe the clinical efficacy of the white spot number, quality control standards were used to prepare the drugs and the patients were screened according to clinical diagnostic criteria. The results show that the preparation of the total effective rate of 92%.