1、白芷、大黄、枯矾粉各30g,雄黄粉10g,装瓶备用。使用时每次取药末适量,用清水适量调为稀糊状外敷患处,每晚1次,15天为一疗程,连续2～3个疗程。2、赤芍、苦参、当归、生首乌、白芷粉各50g,白醋500ml,浸泡30天后取药液。早、中、晚各1次外擦患处,3周为1疗程,连续2～3个疗程。3 1, 30 grams of white peony root, rhubarb, and dried alum powder, 10g of realgar powder, and bottled for use. Use each time the amount of drugs at the end of each use, with the amount of water transferred to thin paste external application of the affected area, 1 night, 15 days for a course of treatment, continuous 2 to 3 courses. 2. Red peony, Sophora flavescens, Radix Angelicae Sinensis, Radix Polygoni multiflori, Radix Paeoniae Alba, 50g white vinegar and 500ml white vinegar, soaked for 30 days. In the early, middle and late evenings, the affected area was rubbed externally for 1 week, followed by 2 to 3 courses of treatment. 3