目的制备水杨酸甲醛洗剂观察临床疗效。方法通过做含量测定、稳定性试验等质量控制方法及临床疗效观察。结果本品稳定,质量可控。对156例手足多汗症、93例汗疱疹与89例足癣进行临床疗效观察,总有效率分别为84.62%、86.02%、89.89%。结论本制剂制备工艺合理,质控方法可靠。临床疗效满意。 Objective To prepare salicylic acid formaldehyde detergent to observe the clinical curative effect. Methods By making content determination, stability test and other quality control methods and clinical observation. The results of this product is stable, quality controllable. Of 156 cases of hand-foot hyperhidrosis, 93 cases of herpes zoster and 89 cases of tinea pedis clinical efficacy observed, the total effective rate was 84.62%, 86.02%, 89.89%. Conclusion The preparation process is reasonable, quality control method is reliable. Satisfactory clinical efficacy.