Sweaty feet can be caused by poor breathability of shoes, localized hyperhidrosis, hyperthyroidism, autonomic dysfunction and other factors, which need to be treated with medication for the cause. 1. Sweating of the feet due to heat caused by prolonged exposure to a hot environment, poor breathability of shoes and socks is a physiological phenomenon. Wear breathable shoes and socks. 2. Localized hyperhidrosis: this disease may be related to genetic factors, manifested in specific parts of the body such as hands and feet sweating abnormally increased. Commonly used 0.5% aluminum acetate, 5% alum, 5% tannic acid solution and other external treatment. 3. Hyperthyroidism: hyperthyroidism and secretion of a large number of thyroid hormones, resulting in hypersecretion of sweat glands in the skin, so the feet will sweat. You can take methimazole, propylthiouracil for treatment, and surgery if necessary. 4. Autonomic dysfunction: sympathetic inhibition, vagal hyperfunction, skin capillary dilatation, sweat gland secretion increases, so feet sweat. You can take glutamine, methylcobalamin, vitamin B and other drugs. It is recommended that patients go to the hospital in a timely manner, pay attention to the use of medication under the guidance of the physician.