Abstract: In response to the problem of large "three lower" coal pressing amount,Gaohe Energy uses longwall paste filling mining process to fill and mine the E1302 and E1306 working faces.In order to study the surface subsidence law of longwall paste filling mining in Gaohe Coal Mine,observation lines are designed and arranged according the surface geological conditions of the E1302 and E1306 working faces,and surface subsidence data are conducted to be calculated and analyzed.The results show that the surface subsidence value of the E1302 working face increases with the increase of the advancing distance of the working face,and the degree of surface subsidence can be roughly divided into three zones:slow subsidence zone I,rapid subsidence zone II,and stable subsidence zone III;The surface subsidence value of the E1306 working face increases with the increase of the advancing distance of the working face,and the maximum subsidence displacement is 171.5 mm.The surface subsidence curve conforms to the characteristics of insufficient mining subsidence curve;Compared with caving mining,paste filling mining can better control the subsidence amount of the goaf surface;The damage standard for the building above the E1306 working face is Level I,and the damage level for both the structure and the building is extremely minor.The structural treatment is no repair.