Dry cracked heels should be considered to be related to dry skin, fungal infection, eczema and keratosis pilaris. 1. Dry skin: It occurs in the fall and winter seasons, when sweat and sebaceous gland secretion decrease at the same time, the skin of the whole body is dry, and the surface oil of the skin of the heel is even less, resulting in dry and cracked skin of the heel. 2. Fungal infection: sweaty soles or closed shoes are not breathable, or a few days do not change socks, do not wash your feet, it is very easy to trigger fungal infection keratinized chapped tinea pedis, thus causing dry cracks. 3. Eczema, palmoplantar keratosis: Keratosis pilaris eczema and palmoplantar keratosis of the foot can also cause dry cracks on the soles of the feet or heels. Heel cracks may also have other reasons, such as the foot often used to inhibit the secretion of sweat gland drops or shoe inserts deodorant, can also cause the heel of the skin dry cracks. Therefore, when the heels are dry and cracked, you should consult a doctor in time, under the guidance of the doctor to clarify the cause of the disease and standardize the treatment.