A positive syphilis antibody, generally referred to as a positive syphilis antibody, means that the body has been previously infected with syphilis or has a current syphilis infection, and is not necessarily contagious. Syphilis is a sexually transmitted disease caused by the syphilis spirochete. Positive syphilis spirochete antibodies indicate that the body has been infected with syphilis or is in the infectious stage of syphilis. For previous infection of syphilis, after the cure is not contagious; if the syphilis is now infected, at this time is contagious, timely treatment. Syphilis is mainly transmitted through mother-to-child, sexual behavior and blood. In order to avoid the spread of syphilis, we should avoid unclean sex, and not share razors, towels and other utensils with others. Sexual intercourse is strictly prohibited during the treatment of syphilis. When syphilis is present, treatment should be carried out reasonably under the guidance of a physician.