Podophyllotoxin can be used for keratosis pilaris and smelly sweating caused by dampness-heat injection (dampness and heat evils invading the intestines, bladder, pubic area, lower limbs, etc.), and it is generally not used for the treatment of eczema, so eczema on the hands is generally not recommended to soak podophyllotoxin for treatment. Foot light san, by the bitter ginseng, talcum powder, salicylic acid, benzoic acid, boric acid composition. It has the efficacy of clearing heat and drying dampness (removing heat and drying dampness), killing insects and converging sweat. It is used for keratinized tinea pedis and smelly sweating caused by damp-heat downward injection. Blister type, vesicular tinea pedis is prohibited. Children, pregnant women are prohibited. This product is for external use, prohibit internal use. Avoid spicy, stimulating food. It is recommended that patients with eczema on the hands seek medical treatment in a timely manner, and not to use medication privately.