Foot fungus, i.e. tinea pedis, belongs to the category of foot dampness in traditional Chinese medicine, is a common skin disease caused by fungal infection of the skin of the foot, which can be transmitted through contact, and is prevalent in the inter-toe area, soles of the feet, heels and lateral edges of the feet, where the skin develops peeling, blisters, itching and other symptoms. Podophyllotoxin is a very common Chinese medicine, which is composed of bitter ginseng, talcum powder, salicylic acid, benzoic acid and boric acid. It has the efficacy of clearing away heat and drying dampness (clearing away heat and drying dampness), killing insects and converging sweat. It is used for keratinized tinea pedis and smelly sweating caused by dampness-heat infiltration (the invasion of dampness and heat evil into the intestines, bladder, pubic area, lower limbs, etc.). Adverse effects of this product is not clear, blister type, vesicular tinea pedis is prohibited. Children, pregnant women are prohibited. It is prohibited for those who are allergic to this product and those with allergic constitution. If there are various types of tinea pedis, you can not use the drug arbitrarily, you should go to the regular medical institutions in a timely manner, according to the physician’s diagnosis of the treatment of medication, so as not to damage the organism, delay the condition.