The semen, prostate fluid, blood, vaginal secretions and cervical secretions of AIDS patients all contain high viral load, and when both partners have unprotected sex, it is difficult to avoid producing tiny wounds on the genitals, and the blood and body fluids of AIDS patients can enter the healthy person through the tiny wounds. The blood and body fluids of the AIDS patient can enter the body of a healthy person through the tiny wound, thus causing the healthy person to become infected. Therefore, if you want to avoid contracting AIDS, using condoms is a very effective way, and you should also avoid sharing personal items such as toothbrushes, razors, shavers, etc., and avoid having your teeth pulled, teeth cleaned, eyebrows tattooed, etc. in informal medical places outside.