The diagnosis of syphilis is mainly based on perfect laboratory tests, syphilis spirochete antibodies and non-syphilis spirochete antibodies, syphilis spirochete antibodies are positive after infection, while non-syphilis spirochete antibodies will also be positive, according to the strength of the infection, non-syphilis spirochete The titer of antibodies varies according to the strength of the infection. If there is unclean sexual activity, and at the same time the blood test for syphilis spirochete antibody is positive, consider the possibility of infection with syphilis, even if there is no clinical manifestations need to go to a regular hospital in time to actively give treatment, syphilis early treatment for the body less damage.