Ichthyosis is actually a kind of common wart, which can be removed by laser, medicine or freezing. Ichthyosis is a kind of common wart caused by papilloma virus infection. After the virus infects the skin, it will stimulate the skin for a long time, and the surface will produce ichthyosis-like growths. Laser removal: the commonly used clinical treatment is laser surgical excision, the disadvantage is that it will produce pain. Drug removal: ichthyosiform nevus can also be removed by applying drugs with certain corrosive properties, such as salicylic acid. It is usually applied directly to the wart, and should be used to ensure that the skin is dry before use, and usually needs to be used daily. Freezing: Ichthyosis can also be treated by freezing. The disadvantage is also that it can be painful, so it is mainly used on older children and adults with warts, and tends to be avoided on young children. The generation of ichthyotic nevus is related to the decline of one’s own immunity, usually pay attention to exercise, do not stay up late, ensure nutrition, mood, so that the immunity is maintained at a certain level, generally not easy to infect this virus. Usually also pay attention to maintain hygiene, is also an effective way to control the infection.