Dry and cracked heels are called scaly keratosis pilaris and can be treated by general treatment, sealing therapy and oral medication. 1. General treatment: keep the feet clean, wear comfortable shoes and socks, and strengthen the moisturizing of the dry and cracked areas. 2. Encapsulation therapy: apply anti-fungal ointment such as terbinafine cream and urea ointment on the dry cracked part, and then wrap it with gauze, so that the encapsulated part is in a hypoxic and moist environment, which is conducive to the penetration of the medicine and the killing of the fungus. 3. Oral medication: can be prescribed oral terbinafine and other antifungal drugs can inhibit the growth and reproduction of fungi, foot secondary bacterial infections can be based on the results of the drug sensitivity to take amoxicillin and other antibiotics. The foot gas heel dry crack should go to the hospital in a timely manner, under the guidance of the doctor standardized medication.