Ichthyosis is commonly known as (ringworm), 70% is hereditary (genetic disease), most of the onset in children, the prevalent parts of the limbs and trunk back, dry and rough skin, the edge of the skin flakes slightly raised, resembling snakeskin, or sweat pores have particles blocked, can not grow sweat hair, heavy skin is gray-brown scales and deep heavy patches, with age spread to the whole body, the characteristics of the disease winter heavy summer light. Ichthyosis is a common hereditary skin keratosis, known in Chinese medicine as ringworm. Symptoms and signs 1. hereditary disease; 2. lesion manifestations of four types; 3. histopathological changes. (1) dominant hereditary ichthyosis: moderate hyperkeratosis of the epidermis with thinning or disappearance of the granular layer; (2) sex-linked common type ichthyosis: hyperkeratosis with normal or slightly thick granular layer; (3) epidermolysis bullosa hyperkeratosis ichthyosis: hyperkeratosis with loosening of epidermal cells and granular degeneration. Dietary care (1) Avoid smoking, alcohol, coffee and cocoa. (2)Avoid spicy and hot and dry foods that move blood. (3) Avoid moldy, fried and fatty foods. Preventive care This issue really needs to be paid great attention to: if the disease is married before it is cured, it is likely to be hereditary for the next generation, and you can only get married if the disease is cured. For hereditary ichthyosis, it will greatly increase the chance of heredity for the offspring, so you can get married, but it is not advisable to have children!