In order to solve the problems of poor coordination of traditional gas control, easy overrun of gas in upper corner and low extraction efficiency under high gas occurrence in a mine in Shanxi Province, the research on gas control technology with the function upgrading of gob-side entry retaining as the core was carried out. The gob-side entry retaining is upgraded from traditional support technology to the core carrier of gas control, and a non-Y type ventilation system is constructed to reconstruct the airflow field of the working face. The process integration scheme is put forward, and three types of technologies are integrated in the space of retaining roadway : long-distance directional drilling with cross-plane tendency to control the gas in the far-field adjacent layer, oblique drilling with an angle of 15°~ 25° in the coal seam ( relying on ' stress-driven antireflection + active extraction interception ' ) to strengthen the pre-drainage of the coal seam, and dynamic drainage of gas in the goaf by buried pipe in the goaf ; the effect of gas control is verified by field monitoring and data comparison. The results show that the system realizes the multi-source gas three-dimensional distribution control and space-time complementation. The volume fraction of CH4 in the key areas of the first and second mining faces is less than 0.18 % and 0.21 % respectively by cross-surface directional drilling. The effect of oblique drilling while mining and pumping in this coal seam is 5 ~ 8 times that of traditional pre-pumping, which increases the monthly advance progress of the working face from 60 ~ 80 m to 80 ~ 100 m ( an increase of 25 % ). The buried pipe extraction in the goaf ensures that the gas in the upper corner is always ≤0.5 %. The use of the gas control technology system has reduced the number of gas warning overruns in the working face to 0, saved the cost of antireflection by 40 % ~ 50 %, and provided a new path of gas control for similar high gas mines.