The correct use of condoms can indeed greatly reduce the risk of HIV infection. The reason for this is that HIV is mainly found in the blood, semen, vaginal secretions, and other bodily fluids of HIV-infected individuals and AIDS patients. Therefore, the most common clinical mode of transmission of HIV is through sexual intercourse, followed by transmission through blood. Repeated high-risk sexual behavior, if no safety measures are taken, it is easy to have direct contact with HIV-infected people and AIDS patients, which will have a high chance of HIV infection. And for male homosexuals, the occurrence of male homosexual sex, especially prone to mucosal breakage, and more likely to be infected with HIV virus. So it is important to strictly avoid high-risk sexual behavior and to use condoms correctly.