Yangdong Mine 8463 working face was No.4 coal seam protective mining face, material transportation lane and belt roadway all adopted gob-side entry retaining technology after stoping. The working face was “Y” type ventilation, material handling wear layer drilling drainage lane construction covered by protective layer ( large coal ) gas, but after working face stoping, material lane borehole was wasted, due to protective layer gas pouring into goaf cannot be dealt with, which made it difficult for ventilation and gas management. Trough exploration, Yangdong Mine solved the ventilation and gas management problems in this area using the materials transportation lane along the empty left lane construction layer borehole extraction protective gas technology.