Heel dry cracks, if the skin is dry, can be used externally petroleum jelly ointment, urea ointment, etc. for local softening; ringworm, you can use terbinafine ointment, clotrimazole cream, etc.; eczema, you can use urea ointment, compound dexamethasone ointment and other drugs. 1. Dry skin: due to the dryness of the external air, skin dehydration may cause dry cracked heels, you can use petroleum jelly ointment, urea ointment and other drugs for local softening. 2. Tinea pedis: Fungal infections causing foot skin diseases may also cause scaly keratosis pilaris, resulting in dry cracked heels. You can use topical terbinafine ointment, clotrimazole ointment and other antifungal drugs to treat. 3. Eczema: mainly caused by internal and external stimulation of a variety of factors causing inflammatory skin reactions, chronic eczema can cause dry skin cracks. You can use urea ointment for local moisturizing, with compound dexamethasone ointment, halometasone ointment and other glucocorticoid drugs. Dry cracked heels need timely medical attention, under the guidance of the doctor to use medication, to avoid their own abuse of drugs.