Syphilis laboratory tests commonly used for non-specific antibody tests for syphilis include RPR and TRUST. 1. RPR (rapid plasma reactin ring card test), syphilis non-specific antibody test, using bovine myocardial lipids antigen as antigen, can be used as a syphilis census, screening tests, but also through the results of the titer of the changes in the judgment of syphilis treatment efficacy and infectiousness of the strong and weak. 2. TRUST (Toluidine Red Unheated Serum Reactivity Test), a non-specific antibody test for syphilis, uses cardiolipin, lecithin and cholesterol as antigens, and its test is similar to RPR, both of which can be used to assess the efficacy of treatment and the strength of the infectiousness of syphilis, and clinically only one of them is usually taken for testing. If you suspect that you have syphilis, please consult the hospital in time and actively diagnose and treat it, and you can consult a professional doctor for syphilis related information.