In general, ichthyosis is not scary, and the symptoms exhibited by different patients tend to vary due to their different personal constitution. Although it is not possible to cure ichthyosis completely, but through medication and other means can be a certain control of the condition. Ichthyosis is a kind of skin keratinization disorder, its main clinical manifestation is dry skin, flaking more, because the flaking is fish scale-like, so it is called ichthyosis. Current research shows that ichthyosis is a hereditary disease. It often develops in childhood and tends to be more prevalent in winter. The treatment of this disease is based on topical medication, with the principle of mild, moisturizing, and mild exfoliation. Common medications include urea cream, vitamin A acid preparation, etc. Severe patients can take vitamin A or vitamin A acid drugs orally to relieve their condition. Ichthyosis patients should not self-medication, need to use drugs under the guidance of a doctor to avoid the occurrence of adverse reactions.