There is no fastest and most effective treatment for cracked feet. Cracked feet, that is, cracked feet, may be due to tinea pedis, sebum deficiency, pellagra, etc., can choose oral, topical, injectable drugs for treatment. 1. Tinea pedis: a common skin disease caused by fungal infection of the foot skin. The common clinical manifestations are peeling, itching, etc., but also dry feet skin, accompanied by the phenomenon of cracking. Anti-fungal drugs can be used externally for treatment, such as clotrimazole, econazole, miconazole and so on. 2. Sebaceous deficiency: due to a variety of reasons resulting from the skin oil secretion or lack of dry skin, light can appear rough skin, serious patients can appear thin scales, accompanied by cracking, itching and other symptoms. You can choose topical drugs to relieve the symptoms of dry skin, such as vitamin E cream, urea cream. 3. pellagra: a disease caused by a lack of niacin or its precursor tryptophan for various reasons. Acute onset of lesions at the beginning of the color scarlet itch, followed by rapid transformation of skin color to reddish-brown, with obvious edema, can be accompanied by herpes and symptoms of epidermal cracking. Depending on the severity of the condition, supplementation with the appropriate dose of medication may be chosen, either orally, intramuscularly or intravenously with supplemental niacin or niacinamide. In addition, it is recommended that patients with cracked feet go to the hospital in a timely manner and follow the doctor’s instructions for treatment to avoid delay.