Syphilis blood test may be misdiagnosed, but the possibility of misdiagnosis is relatively low and may occur in the case of improper specimen collection or preservation, misdiagnosis of test results, etc. 1, improper specimen collection or preservation: specimen collection and preservation have certain requirements, if medical personnel in the preservation, transfer or in the process of operation of certain errors, may lead to inaccurate test results, there is error, thus misdiagnosis The situation; 2, the test results misdiagnosis: syphilis blood test items are many, common test items are specific antibody test and non-specific antibody test two, if non-specific antibody positive, and specific antibody negative, it may be false positive, not syphilis infection, resulting in misdiagnosis; if both are positive, can confirm the diagnosis of syphilis. Of course, syphilis has the possibility of false positives along with false negatives, meaning that it is found to be okay, but there is actually an infection. If you have recently had high-risk sex, you must go to the hospital in a timely manner. To ensure the accuracy of the results, you can check several times to avoid misdiagnosis, and you can also conduct a physical examination. Once syphilis infection is diagnosed, you should immediately go to the hospital to receive treatment, use reasonable medication under the guidance of a doctor, and pay attention to personal cleanliness and hygiene and avoid sexual intercourse as much as possible.