Abstract: To address the maintenance challenges of fractured surrounding rock in main roadways subjected to dynamic pressure from multi-layered thick-hard roofs,this study examines the main roadway of the No. 3 coal seam in the Wangpo Coal Mine as a case study. A mechanical model was developed to describe load transfer in multi-layered hard roof strata,and a stress increment formula was derived to quantify the transmission of stress from upper key strata to the front coal pillars. The study clarifies the pressure relief mechanism of regional fracturing technology: regional fracturing reduces the exposed length of articulated blocks in key strata,increases the dip fracture angle (β₂),and shortens the horizontal fracture length (l_i) of key strata groups. These changes shift stress peaks toward the goaf area,effectively reducing compressive stress in the roadway’ s surrounding rock. Numerical simulations confirmed that regional fracturing decreases energy accumulation in the roof strata and improves the stress environment around the roadway. Based on geological conditions,optimal technical parameters for regional fracturing at the mining end line were determined, and field tests were conducted. Monitoring results showed a significant improvement in roadway stability,with surrounding rock displacement kept within allowable limits and a maximum reduction in supporting stress of approximately 1 MPa. This research provides a theoretical basis and technical reference for effective surrounding rock control in coal seam roadways under similar geological conditions.