The method of HIV self-testing is to purchase HIV test strips, such as blood test strips and saliva test strips. If there is a high-risk exposure, it is important to take blocking medication in a timely manner, and AIDS test strips can be purchased through the regular channels for initial diagnosis of whether or not one is infected with AIDS. Common AIDS test strips include blood test strips, which require the patient to prick his finger with a needle prepared in the package and put a drop of blood on the test strip. The results are usually observed in about 20 minutes, and care should be taken to sterilize the hands while using the blood test. The other way is to use saliva test paper, which requires the test taker to use a special brush to brush the mucous membrane of the mouth and insert it into the tube, and observe the results at intervals of about 20 minutes. When the test results are abnormal, a preliminary diagnosis of AIDS can be made, but in order to confirm whether or not the patient has the disease, the patient should consult a regular hospital for a CD4+ T lymphocyte test, HIV-1/HIV-2 antibody test, and so on. It is recommended that the tester follow the instructions strictly to ensure the accuracy of the self-test results. For those who have been diagnosed with AIDS, they should adjust their mindset and actively cooperate with doctors for treatment.