There are many reasons for dry cracked feet, such as common athlete’s foot, palmoplantar keratosis, eczema and so on, all of which can lead to dry cracked feet and hard skin. 1. Tinea pedis: a common skin disease caused by fungal infection of the skin of the feet, which can be transmitted through contact. In particular, scaly keratosis pilaris can lead to diffuse skin roughness, dryness, thickening and flaking of the local skin. 2. Palmoplantar keratosis: Most of them belong to autosomal dominant disease, which is a group of chronic skin diseases characterized by diffuse or limited thickening and hyperkeratosis of the skin in the palm and plantar areas of the feet. So when the patient appears palmoplantar keratosis, it can also lead to the phenomenon of dry cracks and hard skin on the feet. 3. Eczema: It is a kind of inflammation of the superficial dermis and epidermis caused by internal and external factors, and the cause of the disease is not yet clear. Chronic eczema is characterized by dry, flaky, mossy skin, which can also lead to dry, cracked and crusty skin on the eczema areas of the feet. Because of the dry cracked skin on the feet of the disease is more, it is recommended that patients go to the hospital in time to improve the examination, a clear diagnosis of standardized treatment in accordance with the doctor’s instructions.