Abstract: In order to make the heading face of Bulianta Coal Mine 12515 return airway safely pass through the drilling of original Shenhua coal liguifaction CCS project, the harm of the drill hole of CCS project and its influence on the heading operation of 12515 return airway are analyzed in depth, and the measures such as the omnidirectional gas monitoring, the advance drilling, the reinforcement support and the emergency disposal are taken. In order to make the heading face safely and smoothly pass through the drilling, the feasibility of the adopted drilling scheme was confirmed.