Abstract: Abstract：according to more than yuwu coal seam occurrence of coal seam, based on more than yuwu coal six high alley pumping of the measured data and its corresponding working face gas control effect, it is concluded that more than our coal alley pumping high level reasonable horizon, based on a reasonable level at the same time horizon and the corresponding working face gas control effect, it is concluded that more than my high coal alley pumping reasonable vertical horizon. In the N1101 working face, the field application has been carried out, and the effect of gas control has been achieved.