Abstract: During the excavation of roadway in the 5^th coal seam working face at the Hecaogou Coal Mine, strong mine pressure frequently manifested, leading to difficulties in roof support and severely affecting the mining operation.An upward mining disaster prevention plan for strong mine pressure was proposed in the 503 panel area.This plan involves first recovering the thicker 3^-2 coal seam below, thereby unloading pressure from the upper 5th coal seam to prevent strong mine pressure from manifesting.FLAC^3D numerical simulation software was used to investigate the movement and deformation patterns of the overlying rock layers after the mining of the 3^-2nd coal seam.The focus was on analyzing the evolution of fractures in the overlying rock and the degree of pressure relief in the roof, which was then used to assess the feasibility of upward mining and its effectiveness in preventing and controlling strong mine pressure disasters.The results of the study showed that after upward mining, the height of the fracture zone in the 3^-2 coal seam reached a maximum of 36.52 m, which is less than the distance between the 3^-2 coal seam and the 5^th coal seam, thus meeting the technical requirements for upward mining.The 5^th coal seam is located within the subsidence zone of the 3^-2 coal seam, where the maximum stress value is only 12.29 MPa, significantly lower than the original rock stress, indicating effective pressure relief.