Smelly feet may be related to bad habits, athlete’s foot, hyperhidrosis and other diseases, there is no simplest and most effective treatment, the need for general treatment, medication or surgical treatment of the cause. 1. Bad habits: wear breathable shoes and socks, change shoes or socks regularly, clean feet in time to keep feet breathable and dry, or use talcum powder to keep feet dry. 2. Tinea pedis: can follow the doctor’s instructions for topical or oral terbinafine and other antifungal drugs to inhibit or kill the fungus, 3% boric acid solution and other astringents can reduce the exudate. 3. Foot hyperhidrosis: can be used externally antiperspirant such as 20% aluminum chloride, can also use ionic electro-osmosis therapy, if necessary, can be injected with botulinum toxin. It is recommended that people with smelly feet go to the hospital in a timely manner to clarify the cause, and if treatment is needed, standardized treatment should be carried out under the guidance of doctors.