Abstract: Aiming at the problem of surrounding rock instability and serious deformation and failure of the preparation roadway in the double-wing mining area, which is affected by the mining superimposed support stress, the stress control technology of the surrounding rock of the preparation roadway in the double-wing mining area is carried out. Taking the 83 lower mining area of Xutuan Coal Mine as the engineering background, the comprehensive research methods of theoretical analysis, numerical simulation and field monitoring are used. The stress evolution law of surrounding rock of preparation roadway and the mechanism of roof cutting and pressure relief are analyzed, and the industrial test of roof cutting and pressure relief by deep hole pre-splitting blasting in stop line is carried out in order to improve the stress environment of surrounding rock of preparation roadway. The research results show that after the mining of the double-wing working face is completed, the leading abutment stress gathered in front of the working face and the bending moment generated by the ' long cantilever beam ' structure of the overlying strata in the goaf cause the deformation and instability of the preparation roadway. Through FLAC3D numerical simulation and distributed optical fiber monitoring results, it is judged that the influence range of advanced support stress in 7₂316 working face exceeds 130.14 m. The mining advanced support stress affects the preparation roadway, and the vertical stress of the roof of the preparation roadway increases by 10.48 % compared with that before mining. After deep hole pre-splitting blasting roof cutting and pressure relief, the vertical stress of the roof of the preparation roadway decreases by 27.68 %. After the industrial test of roof cutting and pressure relief of the stopping line, the maximum deformation of the two sides of the preparation roadway is 62.5 mm, the maximum deformation rate is 0.2 mm/d, the maximum deformation of the roof and floor is 105 mm, and the maximum deformation rate is 0.4 mm/d. The deformation of the surrounding rock is within the controllable range, and the overall condition of the preparation roadway is good. The deep hole pre-splitting blasting roof cutting and pressure relief technology of the stop line blocks the physical path of the advance support stress of the working face to the preparation roadway, reduces the concentrated stress generated by the ‘bending moment’, reduces the leading role of the mining stress field, effectively improves the stress environment of the surrounding rock of the preparation roadway, and realizes the far-field pressure relief roadway protection. The research results provide a new idea for the stability control of the surrounding rock of the preparation roadway in the double-wing mining area, ensure the safe and efficient production of the mine, and provide a theoretical basis for the concentrated stress control of the mining area and the stability of the surrounding rock of the roadway under the relevant working conditions.