There is no such thing as what medication can be used to break the root of smelly feet. Smelly feet may be related to physiological factors such as lack of hygiene, or it may be caused by diseases such as hyperhidrosis, tinea pedis, etc. It is recommended that general treatment and medication be taken to improve the situation. 1. Physiological factors: If you don’t like to wash your feet and change your shoes and socks less often, it may cause foot odor. It is recommended to improve life habits, wash and change shoes and socks regularly, and keep feet breathable and dry, which can help to improve the situation of smelly feet. 2. stinky sweating: stinky sweating may cause foot odor, patients should pay attention to daily skin cleaning, strengthen personal hygiene. You can use neomycin solution, potassium permanganate solution and other drugs to stop sweating, sterilization and deodorization. Botulinum toxin can also be injected to help reduce neural sweat gland activity and facilitate deodorization. 3. Tinea pedis: Tinea pedis can also lead to foot odor, it is recommended that patients wear more breathable, loose shoes and socks, and can be used externally with econazole, terbinafine and other antifungal drugs, to help inhibit the bacteria and improve the symptoms of foot odor. The cause of smelly feet is not unique, after excluding physiological factors, it is recommended that the patient go to a regular hospital and cooperate with the doctor for standardized treatment.