The average incubation period of AIDS is about 8 years, and the longest period can be more than 10 years. The incubation period can have no clinical symptoms, but for AIDS incubation period can also be sick, some are related to HIV infection, and can have other manifestations not related to AIDS. Although most people are asymptomatic during the incubation period, their immune function will gradually decline, and some signs of low resistance will appear during this process, such as easy to catch a cold and skin problems, but these are not representative diseases or pointers of AIDS. Therefore, it is also necessary to receive anti-HIV treatment as early as possible during the latent stage of AIDS to avoid further damage to immune function and enter the AIDS stage.