The common causes of foot peeling include scaly keratosis pilaris, palmoplantar keratosis, chronic eczema and other diseases. 1. scaly keratosis pilaris: this disease is mainly caused by fungal infections, common pathogenic fungi include red trichophyton, trichophyton fungus and gypsum-like microsporidia. The symptoms include erythema, papules, scaling, and thickening of the skin. 2. palmoplantar keratosis: this disease is mostly caused by heredity, a few patients are caused by psoriasis, eczema, tinea cruris, lichen planus and other diseases, manifested as roughness of the palmoplantar skin, severe palmoplantar appear diffuse, edge of the thickened keratinized plaques, desquamation and other symptoms. 3. Chronic eczema: chronic eczema is mostly caused by acute eczema and subacute eczema, and food, inhalants, physical factors, diseases, endocrine changes and other factors. It is characterized by erythema, thickening, roughness, deepening and thickening of the texture, flaking, itching and other symptoms. It is recommended that patients go to the dermatology department of regular hospitals, after a clear diagnosis, timely treatment under the guidance of the doctor, to avoid delaying the condition.