The asymptomatic stage of HIV can also be detected, and at this time, antibody screening can be done first. If the test is positive, further confirmatory tests can be done. Generally, 90% of patients with positive antibodies will have positive confirmatory tests later. The incubation period of AIDS can be very long, sometimes up to 8-9 years without any clinical manifestations, and clinical symptoms will only appear when the patient enters the AIDS stage. During the asymptomatic period, that is, the incubation period, you should actively carry out antiretroviral treatment, and with effective antiretroviral treatment, the incubation period can be prolonged. At present, there are many kinds of antiviral drugs for AIDS, there are six categories and dozens of them. Different drugs will have different side effects, such as damage to the liver, kidney, and nervous system. Therefore, patients should closely observe the adverse reactions during the medication.