Abstract: This paper is to study the performance of reinforced concrete slab-column joints reinforced with section-steel shear-resistance cross frame (SSF) against punching and shearing, and to obtain an optimal solution for the design of SSF. Considering the different specifications of flange thickness, web thickness, outrigger length and anchor pins, 9 test specimens of slab-column joints subjected to reverse static simulation loading were designed to investigate the damage history and mode of the specimens, to measure the bearing capacity, deformation and strain of the joints, to investigate the influence of different combinations on the damage mode and bearing capacity of the slab-column joints, and to clarify the failure damage mechanism. The results show that the SSF can improve the shear resistance of slab-column joints and inhibit the brittle characteristics of shear damage. The anchoring pins instead of steel flange can improve the punching shear load capacity of the slab-column joint, but the improvement of ductility is not obvious; increasing the thickness of the flange to improve the load capacity has a marginal effect, and the length of the steel outrigger is too short to play the punching shear strengthening effect of the SSF. With references to the existing methods and test results, the calculation method is proposed for punching shear bearing capacity of reinforced concrete slab-column joints reinforced with SSF.