Dry, ichthyotic skin on the lower legs may be the result of ichthyosis, which is mainly caused by genetic factors and is usually congenital. The clinical manifestation of this disease is mainly dry and rough skin on both lower extremities, especially on the lower legs, and in some people, the dry skin may become small flakes forming a fish scale appearance, so it is also called ichthyosis. This disease is generally not particularly harmful to the human body, mainly because the patient shows local dry skin, and some may have certain itching symptoms. If the symptoms are obvious, you can apply moisturizing creams, such as urea cream, vitamin E cream, etc.