Three diagnostic possibilities are considered for white skin on the feet: 1. Tinea pedis caused by fungal infection, also called pediculosis. You can apply antifungal creams topically, such as miconazole nitrate ointment, bifenazole cream, terbinafine hydrochloride cream, etc. Keep the area dry and change your shoes and socks regularly.2. Chronic eczema of the feet may be considered, and you can choose to use topical glycolate lotion, pine distillate ointment, black bean distillate ointment, etc. In short, to moisturize, moisturizing as the main principle of treatment, while paying attention to avoid eating spicy, irritating food. 3, may be considered foot exfoliative keratolytic disease, treatment can be topical topical glucocorticoid cream, with the application of urea ointment, oral vitamin B, cod liver oil, etc.. Of course, it is also necessary to avoid spicy food.