Heel cracks may be caused by tinea pedis, common ichthyosis, palmoplantar keratoderma, etc. Patients can follow the doctor’s instructions to use terbinafine cream, retinoic acid ointment, salicylic acid ointment and other ointments for treatment. 1. Tinea pedis: for patients with cracked heels caused by tinea pedis, topical medications such as clotrimazole ointment, terbinafine ointment, amorphophallus ointment, etc., can also be used in conjunction with the use of keratolytic agents, such as salicylic acid, etc., to improve the symptoms. 2. Ordinary type ichthyosis: patients can follow the doctor’s instructions to use moisturizing drugs, such as urea cream, lactic acid ointment, or propylene glycol solution, etc.; also with the use of retinoic acid ointment, calcipotriol ointment, etc. for treatment. 3. Palmoplantar keratoderma: patients can use topical keratolytic agents, such as salicylic acid ointment, sodium chloride hydrophilic ointment, urea ointment, etc., and keratolytic drugs, such as retinoic acid cream, dithranol ointment, etc., under the guidance of the doctor to improve the condition of heel cracks. It is recommended that patients strictly follow the doctor’s instructions to use medication, do not change the dose of drugs or abuse drugs privately. In life, pay attention to foot moisturizing, wash the feet diligently, avoid the feet in a moist and polluted environment, avoid going to public swimming pools or bathing places and so on.