Abstract: Taking the 020913 working face of Wuhai Energy Huangbaici Coal Mine as an example, after analyzing the gas emission law and mining fracture distribution law of the goaf in the near coal seam group of the mine, the gas extraction technology of high drilling is selected as the main measure of gas control in the mine.By calculating the height of caving zone and fracture zone of overlying rock, the initial layout area of gas extraction high level borehole is determined, and the evolution characteristics of gas extraction concentration at different levels are analyzed, and then the optimal layout horizon of 020913 working face high level borehole is obtained.The field application results show that the optimal effect of gas extraction drilling is arranged at the layer 25 m away from the roof.After the gas treatment of 020913 working face by using the gas extraction technology of high drilling, the maximum concentration of gas in the return air flow of the working face does not exceed 0.52%, and the maximum concentration of gas in the upper corner is only 0.6%, which effectively guarantees the safe mining of the working face.