Sweat from AIDS patients is not contagious because sweat from AIDS patients does not generally contain the virus, and if it does, the amount is very small and not enough to cause HIV infection. Therefore, there is no need to worry too much about exposure to sweat of AIDS patients, as it is not infectious, and there is no need for HIV prevention. AIDS is actually a controllable and preventable disease. Generally, the blood, semen, prostate fluid, cerebrospinal fluid, vaginal secretions, cervical secretions, pleural fluid, ascites, etc. of AIDS patients are rich in viruses, so you only need to avoid contact with the blood and body fluids of AIDS patients to avoid contracting AIDS. Therefore, we should avoid unprotected sex with AIDS patients in our daily life, avoid sharing intimate items such as toothbrushes, razors, shavers, etc., and avoid some invasive operations outside, such as blood transfusion or blood products.