The skin on the feet is dry and cracked, may be related to physiological factors, may also be related to pathological factors, such as chapped eczema, keratosis pilaris, and so on. 1. Physiological factors: most of the considerations may be related to the air is too dry, common in the fall and winter seasons, due to the climate is too dry, if you stay in a dry environment for a long time, resulting in serious dehydration of the skin of the feet, it may cause skin cracking on the feet, but also accompanied by obvious itching, pain symptoms. 2. Pathologic factors: (1) chapped eczema: the disease is a kind of chronic eczema, the etiology is not yet clear, may be related to heredity, allergy, sebum secretion reduction, etc., preferably in the hands and feet, can lead to skin cracking on the feet, acute skin can also appear red spots, pimples, oozing and so on. (2) Keratosis pilaris: it is usually caused by fungal infection of the skin of the feet, which can be manifested as roughness and thickening of the skin of the feet, and under the constant stimulation of the pathogenic bacteria, it may cause skinning and dry cracking on the feet. Skinning and cracking on the feet may also be caused by other reasons, it is recommended to consult a doctor as soon as possible to clarify the cause and diagnosis, and then give targeted treatment and conditioning under the guidance of the doctor.