There are many causes of dry and cracked heels and hard skin, mostly caused by physiological factors, generally do not need too much treatment, pay attention to foot moisturizing, can be cleaned and dried, apply mild non-irritating moisturizing products or topical drugs containing urea, there is a certain improvement effect. In addition, some diseases can also cause dry and cracked heels, should actively seek medical advice, the cause of treatment. First, the physiological factors: dry skin, especially in the elderly skin aging, local keratinization easily, can be manifested as the skin on the foot hyperkeratosis, resulting in dry and cracked heel crust. Construction workers, fishermen and other people need to work in the open air for a long time, but also easy to lead to dry skin loss, dry and cracked heel crust. Second, the pathological factors: 1, vitamin deficiency: picky or paranoid people lack of micronutrients, such as vitamin A, vitamin E, etc., followed by dry and flaky feet, and even dry and cracked. It is recommended to maintain a balanced nutritional diet, to supplement trace elements in the right amount, and to pay attention to moisturizing the feet, and to take medication for serious cases; 2. Keratosis pilaris: it is usually caused by fungal infection. It is recommended that patients go to the hospital for fungal testing and use medication as prescribed by the doctor; 3. Chalazion eczema: Mostly caused by frequent contact with external material stimulation, resulting in dry and cracked heels with hard skin, often accompanied by itching, and in severe cases, combined with bleeding and infection, treatment is based on anti-inflammatory, while also paying attention to skin moisturization.