The white skin on the feet may be caused by physiological factors such as dry climate, or may be caused by ringworm, exfoliative keratolysis and other diseases. 1. Physiological factors: If the climate is too dry, it may lead to a faster loss of water in the body, so that the local skin is dry, which may cause the phenomenon of white skin on the feet. 2. Tinea pedis: the feet may show symptoms such as increased peeling, erosion between the toes, and whitish impregnation. The etiology is mostly related to fungal infections such as Trichophyton rubrum and Trichophyton mustelii. 3. Exfoliative Keratolysis: patients will appear localized white dots formed by scales, with the development of time fusion into peelable scales, mostly in the hands, feet and other parts of the body. The etiology may be related to genetics, infection, hyperhidrosis and other factors. There are more reasons for white skin on the feet, after excluding physiological factors, it is recommended to go to a regular hospital to clarify the cause of the disease.