<p>This paper presents a numerical analysis of the fracture behavior of bulk superconductors featuring linear cracks and circular inclusions when subjected to a pulsed magnetic field, and the influence of cracks and inclusions on superconductors under the action of pulsed magnetic field is studied. A correlation finite element model is established to calculate the stress intensity factor at the crack tip using the J integral method, and the influence of crack length, crack location and inclusion size on crack behavior is discussed. The results indicate that the crack closes during the ascending phase of the pulse. In the descending stage of the pulse, the reduction in the inclusion radius, the increase in the distance between the crack tip and the inclusion, and the expansion of the crack radius all promote the crack propagation. Furthermore, the influence of thermal stress on crack propagation intensifies as the pulse duration decreases. Additionally, the propagation speed of the crack at the left and right tips consistently differs.</p>