Sweaty feet and smelly feet are most likely due to palmoplantar hyperhidrosis, more exercise and non-breathable shoes. It can be treated according to the relevant causes. 1. Exercise more and shoes are not breathable: many feet sweat feet odor is due to wear shoes are not breathable as well as metabolism, resulting in increased sweat on the feet, hot and humid environment is easy to breed short rod bacillus, can produce odor, resulting in foot odor. It is recommended to change shoes and socks regularly, expose them to sunlight more often, and wear breathable shoes and cotton socks, because the shoes worn on the same day may have residual sweat that has not dried, and then wear them again the next day will also cause foot odor. 2. Palmoplantar hyperhidrosis: the palms of the feet are particularly easy to sweat, you can use antiperspirant medications to treat the feet, such as aluminum chloride or boric acid and other drugs, you can also use potassium permanganate solution with the right amount of hot water to soak your feet, can improve the foot sweating, eliminate the odor. If the sweating on the soles of the feet is severe and cannot be relieved by conventional methods, it is recommended to consult a specialist to seek professional treatment.