Flat warts do not mean that you are suffering from an immune disease. The actual warts are mainly caused by human papilloma virus infection, which can be spread through direct contact or contact with contaminated items, youngsters and people with skin trauma are more likely to be infected with the virus, although the body’s immunity is low, the prevention of the virus is weaker, and the chances of being infected will be increased, but it does not mean that there are immune disorders in the organism. When you are diagnosed with flat warts, you need to be careful not to scratch the affected area, to avoid ulceration of their own cross-infection, you can use salicylic acid ointment, Vitamin A cream or imiquimod cream under the guidance of a professional doctor for treatment, and also through the autologous warts immune therapy surgery, but you need to be careful not to blindly use the medicine, to avoid delaying the condition or causing discomfort.