Due to the differences in individual organism, there is no specific cure for sweaty and smelly feet, which can be improved or treated by wearing comfortable shoes, washing feet diligently, and applying topical medication such as podophyllotoxin. 1. Comfortable shoes: wear comfortable, ventilated, loose shoes, change shoes and socks every day, and put the changed shoes and socks in a ventilated place, which can reduce the sweat discharge to a certain extent, and inhibit the breeding of bacteria, which can alleviate the symptoms of smelly feet. 2. Wash your feet: Wash or soak your feet in warm water every day to ensure that your feet are clean and dry, which will help reduce the growth of bacteria and promote the recovery of smelly feet symptoms. 3. Topical application of traditional Chinese medicine: Chinese medicine believes that sweaty and smelly feet may be related to dampness and heat, you can choose to clear heat and dry dampness (to remove heat and dry dampness) of traditional Chinese medicine, such as Huanglian, Bitter Ginseng, Botrytis cinerea, snakebeds and so on, for decoction and external use. Medicines such as Podophyllotoxin can also be used for treatment. Podophyllotoxin can clear heat and dry dampness (removing heat and drying dampness), kill insects and astringent sweat. It is used for keratinized tinea pedis and smelly sweating caused by damp-heat underflow (dampness and heat evils invading the intestines, bladder, pubic area, lower limbs, etc.). This product has been reported to cause contact dermatitis and occasionally severe dermatitis. Blistering, vesicular tinea pedis is prohibited. Children, pregnant women are prohibited. This product is for external use, prohibit internal use. Avoid spicy and irritating food when taking the medicine. It is recommended to use the drug under the guidance of a professional doctor to avoid damage to the skin.