A weak positive syphilis test may indicate a false positive result, early infection or previous infection. Syphilis is a sexually transmitted disease caused by the syphilis spirochete, weak positivity is usually seen in the specific antibody, may be previously infected with syphilis, there is a history of syphilis, the regular treatment of syphilis specific antibody is weakly positive; may also be the current infection, but due to the short duration of the infection, the body does not produce enough antibodies, the test is weakly positive; there may be no infection of syphilis, but due to the results of the results of the other factors affected by the false positive reaction. It is also possible that the test is not infected with syphilis, but the result is false positive due to other factors. The diagnosis of syphilis should be treated in time, and the sexual partners of syphilis patients should be treated at the same time. Sexual intercourse is strictly prohibited during the treatment period, and the use of medication should be in accordance with the doctor’s instructions.