Clinically, there is no vaccine that can prevent AIDS, the prevention of AIDS, or to cut off the transmission of the virus to begin with. AIDS, as a disease with high transmissibility and harmfulness, brings harm to the patient by destroying the body’s immune system. Paying attention to self-protection and being vigilant in order to minimize the transmission pathways of blood, mother-to-child and sexual contact can reduce the risk of AIDS transmission to a certain extent. When you suspect that you are infected with AIDS, you can go to the hospital for examination. If you have a history of blood or sexual contact with AIDS patients within 24 hours, you can go to the hospital to take AIDS blocking drugs, such as tenofovir plus lamivudine, etc., and you should consult your physician for guidance on how to use them. After the diagnosis of AIDS patients, they should take the relevant treatment drugs on time and have regular physical examination. For more medical health knowledge, you should consult your physician, and if you are not feeling well, seek medical attention in a timely manner.