Sweaty and sour smelling feet in summer can be solved by general treatment and medication. Most of the summer foot sweat and odor is caused by the lack of attention to hygiene or foot stuffiness, tinea pedis and other causes. 1. General treatment: usually wear loose, comfortable and breathable shoes, try to avoid shoes and socks are too hot and stuffy and lead to local moisture. Wash your feet regularly every night, change your shoes and socks in time, and try to eat a light diet, avoiding spicy and stimulating foods. 2. medication: if caused by tinea pedis, you can use miconazole nitrate cream or terbinafine hydrochloride ointment externally under the guidance of a physician, and you can soak your feet in 1:5000 potassium permanganate solution. It is recommended that patients go to the hospital in a timely manner, under the guidance of the physician to choose reasonable drugs and methods of treatment, they can not just use drugs.