Bleeding gums and eating are not usually infected with HIV, and the human immunodeficiency virus is not usually transmitted through saliva. AIDS is a defect in the body’s immune function caused by human immunodeficiency virus infection. Human immunodeficiency virus mainly exists in blood, semen, vaginal secretions, amniotic fluid, breast milk and other bodily fluids, mainly through sexual contact, blood transmission, mother-to-child transmission, generally does not spread through saliva. Therefore, bleeding gums and eating are generally not infected with AIDS. However, it should be noted that if in the acute attack of bleeding gums, at this time and AIDS patients for kissing and other intimate sexual behavior, if the bite AIDS patients, may be infected with AIDS. For patients with bleeding gums, it is recommended to avoid intimate contact with AIDS patients as much as possible.