As the supply of energy shortage and air pollution problems have become increasingly prominent, people continuously enhance the effective utilization of resources and environmental safety concern and research. Control of mine gas emission in coal mine enterprises, promote the coal mine gas extraction, effectively improve the gas drainage and utilization rate, reduce the coal mine gas hazard has become China's treatment of the gas guiding ideology. Mining area coal seam gas release mixing in the atmosphere, causing air pollution, is not conducive to environmental protection, at the same time will cause the coal-bed gas of the clean energy waste; goaf in coal bed gas to the connectivity is mining working surface transport, increase the ventilation pressure, endangering the safety of coal mine, and not in favor of coal-bed gas natural resources make full use of. This paragraph of word, thank you