Abstract: This paper aims to study the mechanical properties of steel reinforced concrete beam-to-column joint featuring cantilever beam segment with different connection details. It should be noted that several parameters of connection configurations were considered, including bolt diameter, connection plate thickness, cantilever beam length, and connection type. To facilitate parametric analysis, 18 detailed finite element numerical models are developed using ABAQUS software. By simulating the mechanical behavior of nodes under different parameter combinations, the failure mechanisms of these connections as well as the load-bearing behavior of the components involved. The results of finite element parametric simulations indicate that an increase in bolt diameter correlates with a rise in the shear force experienced by the node plate. This phenomenon is accompanied by the occurrence of shear plate failure at the connection fracture. Conversely, augmenting the thickness of the connection plate may result in premature shear failure of the concrete. Therefore, it is inadvisable to excessively reinforce the connection components. Extending the length of the cantilever beam section can mitigate the shear force at the connection; however, this extension should not exceed twice the height of the beam. Additionally, the choice of connection method-whether welded or bolted-will influence the mechanisms by which the shear force and bending moment are transmitted through the structure. The design that incorporates a welded connection at the upper portion of the beam and a bolted connection at the middle portion can enhance the load-bearing capacity of the joint and minimize the bending effects on the concrete resulting from the applied loads. This study shows that bolt diameter, connection plate thickness, cantilever beam length, and connection type have significant influences on the mechanical properties of the steel reinforce concrete beam-to-column joint. The research provides a basis for optimizing the design of the steel reinforce concrete beam-to-column joint, which is conducive to improving the safety and economy of the structure.