When a routine blood test is done, there is usually a syphilis antibody item, which is mostly indicated as negative or positive, with different meanings respectively. A negative syphilis antibody indicates that no antibodies to syphilis are found in the blood of the person being tested, meaning that he or she is not infected with the syphilis spirochete. If a person is infected with the syphilis spirochete, his or her immune system will produce certain antibodies to fight the virus and the presence of syphilis antibodies will be found during the test, i.e., the result will be positive. A negative result indicates that no antibodies are present, so the person is not infected with syphilis. A negative syphilis antibody is a good result for the person being tested. Syphilis is a virus that infects the body quite easily and is one of the more common types of sexually transmitted diseases in men and women. Syphilis is mainly spread by sexual transmission, but other routes such as contact and mother-to-child and blood transmission are also very likely. Patients with syphilis should be isolated and treated, and clothing and bathing utensils used by patients should not come into direct contact and should be disinfected. In order to avoid syphilis infection, one should moderate and control one’s sexual life and refrain from unsafe and unclean sexual intercourse. Syphilis patients should stop having sex before they are cured, actively treat the disease, stay positive and optimistic, and eat a diet with more vitamin C and other substances that can enhance immunity. The syphilis antibody negative means that you are not infected with syphilis, but you should still be careful to prevent being infected and abstain from sex. If the infection occurs, it should be treated actively.