Ichthyosis is a common keratinization abnormal skin disease, with congenital genetic factors. The main manifestation is light brown to dark brown rhombic or polygonal scales, the center is fixed, the edge of the free, like fish scales. The skin is dry and rough, with the limbs and trunk as the most common, symmetrical distribution. There is no cure for ichthyosis, and it cannot be completely cured. Can only be usually through moisturizing and emollient, so that the symptoms improve and relieve. You can eat more vegetables and fruits, drink more water, do not eat spicy stimulating food, external moisturizing cream, oral vitamin A and vitamin E slowly improve.