Dry and cracked heels may be caused by dry skin, vitamin deficiency, skin diseases and poor blood circulation. 1. Dry skin: dry weather, use of alkaline toiletries, excessive friction, etc. make the heel skin dehydrated, resulting in dry and cracked heels. 2. Vitamin deficiency: lack of vitamin A, B, E, etc. will reduce the mucus and sebum on the surface of the skin, and dryness and cracking will occur when rubbing or exerting for a long time. 3. Skin diseases: common eczema, athlete’s foot, palmoplantar keratosis, etc., such diseases will cause keratinization and hyperplasia of the heel, so that the skin moisture decreases resulting in dry cracks. 4. Poor blood circulation: such as lack of exercise, diabetes, old age and other people, the blood flow back to the feet is not good, the skin activity decreases resulting in dry cracked heels. The cause of dry cracked heels varies from person to person, several cracks continue to expand or accompanied by itching, bleeding, etc., it is recommended to seek medical attention as soon as possible.