Sweaty feet with sour odor includes physiological and pathological reasons, need to improve the foot environment and with the use of some antiseptic drugs, or the use of anti-acetylcholine drugs to inhibit gland secretion. 1. Physiological factors, such as sweat gland secretion, a large amount of sweat impregnated feet skin stratum corneum, secretion through bacteria, mold decomposition and thus produce a bad smell. To change into breathable shoes and socks, wash your feet diligently to keep your feet clean and dry, eat a light diet, keep your mood relaxed, and apply some antibacterial sprays inside your shoes. Normally, you can sprinkle prickly heat powder in the shoes to keep your feet dry, wash your feet diligently and change your shoes, and maintain a good routine. Sweat gland secretion, can use some external medicine, such as aluminum chloride solution soak feet, with deodorant, sterilization effect. 2. Pathological factors, may be due to plant nervous system dysfunction, endocrine metabolic function abnormalities. If you sweat too much, you can take anti-acetylcholine drugs, such as scopolamine tablets, nitric acid hairy fruit rue base tablets. The medication should be taken by consulting a doctor in a hospital and under professional guidance.