Syphilis and AIDS are basically the same, and can be transmitted through sexual contact, blood transmission, and mother-to-child transmission. Sexual transmission is mainly through unprotected sexual intercourse with a patient carrying syphilis or AIDS, and the exchange of bodily fluids between the two parties during sexual intercourse can cause syphilis and AIDS transmission. Blood transmission is mainly caused by the importation of blood containing syphilis or AIDS, thus causing infection to healthy people. Infection can also be caused by interventional procedures in informal places, such as tooth extraction, tattooing, eyebrow tattooing, etc. In fact, these operations can also cause hepatitis B and C transmission. Mother-to-child transmission is when a mother with syphilis or AIDS does not undergo mother-to-child interruption, thus transmitting syphilis or AIDS to her baby during pregnancy or delivery.