Cracked heels are usually caused by dry skin, keratosis pilaris, chapped eczema and other diseases. 1. Dry skin: for example, construction workers, fishermen, etc. need to work in the open air for a long time, often exposed to the wind and sun, it is easy to lead to skin dehydration and dryness, and then appear the phenomenon of cracked and cracked heels. 2. Keratosis pilaris: usually caused by fungal infection. The symptoms of cracked heels and hard skin, and even localized skin cracking, bleeding and pain, will also be manifested. 3. Cracked eczema: a common allergic reaction disease, mainly in the hands and feet, mainly for the hands and feet parts of the limited erythema, hypertrophy, cracking, flaking and other symptoms, usually recurring, so it can also lead to heel cracking and cracking hard skin performance. The appearance of the heel cracked hard skin, it is recommended to go to the regular hospital in a timely manner, clear cause of the disease under the guidance of the doctor standardized treatment. You should also pay attention to the moisturizing of the skin in your daily life.