Oral sex without the use of a condom may transmit AIDS. AIDS is caused by infection with HIV (Human Immunodeficiency Virus), which is found in semen, blood, vaginal secretions, cerebrospinal fluid, and other body fluids of the patient. HIV is transmitted through blood, mother-to-child, and sexual contact. Oral sex is a form of sexual contact. Oral sex is a form of sexual contact that involves contacting the genitals through the mouth. The patient’s semen will contain HIV, and the semen will spill out of the genitals and enter the mouth of the sexual partner. If the partner’s mouth has broken skin or mucous membranes or mouth ulcers, the infection may result. To sum up, if you suffer from AIDS, you need to consult a doctor in time for examination and treatment, and you need to pay more attention to the process of sexual life in order to minimize the possibility of virus transmission.