The main components are Cang Er Zi, Di Shen Zi, Tu Da Huang, Tu Huan Pi, Alum, Bitter Ginseng, Ban Lan Gen, Da Qing Ye, Safflower, Red Peony, Horsetail, Mucuna Pruriens, Xiang Shen, decoction of water to soak feet twice a day for 20 minutes, the water temperature is kept to about 38-40 degrees, the effect is better. After soaking the feet, you can also apply recombinant human interferon alpha-2b ointment, or miquimod ointment. After applying it, wrap the affected area with plastic wrap and remove it after 20 minutes. This will allow the medicine to penetrate the affected area and provide an antiviral effect. During the treatment period, it is necessary to avoid spicy and stimulating food and alcoholic beverages, and not to repeatedly pick at the foot with sharp objects to avoid secondary infection of the affected area.