In order to solve the problem of insufficient parallel connection coordination between energy dissipation and connection in existing self-centering joints and the high difficulty of construction at heights, a self-centering concrete beam-column joint with SMA devices is proposed in this paper, a finite element software Abaqus is used for numerical analysis to systematically investigate the influence rule of different parameters on the seismic performance of the joint. The study results show that: (1) The joint has good self-centering, load-bearing, and energy dissipation capabilities; (2) With an increase in the friction coefficient of the SMA self-resetting device and the slope of the self-resetting rod, each seismic performance of the joint simultaneously improves, but the performance improves slowly when the slope of the self-resetting rod exceeds 0.6D; (3) The pre-tightening force of the screw has a minor impact on the performance of the joint, it is recommended to control the friction coefficient between 0.15 and 0.25, set the SMA screw pre-tightening force to 10–20 kN and the slope ratio of self-centering at 0.53–0.67. The findings of this study can provide reference and guidance for the construction and development of self-centering prefabricated buildings.