Causes of heel dryness and cracking may include dry heel skin, fungal infections, etc. Heel dryness and cracking is mainly treated by means of oral or topical medications. 1. Fungal infections: to use the appropriate medication under the guidance of the doctor for treatment, can be systematically applied to antifungal drugs, such as itraconazole, terbinafine, etc. for oral use, help to improve the dry skin. 2. Heel skin dryness: topical retinoic acid emollients, vitamin E milk, compound lactic acid ointment, etc. can be used to help improve skin dryness, to restore the skin barrier function, to protect the tissues and structures below the stratum corneum from infections and physical injuries, and to prevent further skin dryness. All of the above drugs should be used under the guidance of a doctor, patients should avoid hot water scalding, soap, bath wash and all kinds of stimulation, shoes and socks as much as possible ventilation and breathable, do not cover the feet. If discomfort occurs, you should promptly go to the hospital and follow the doctor’s instructions for treatment.