Based on No. 15 mine coal and gas outburst of Qingciyao Mine of Datong Mining Group, according to gas drainage test, 3 recovery mining face gas drainage plans were analyzed, double roadway mining was settled, horizontal long drilling was adopted in No. 15 coal seam, gas drainage drilling arrangement and extraction technology were settled, without coal and gas outburst after the implementation, ensuring the safe mining and providing reference for gas control and prevention.