In order to solve the problem of mine gangue lifting, Xingdong Mine formed a unique underground Mining, Processing and filling integrated gangue handling system through the targeted research and continuous practice of underground washing system and gangue charging system. Through continuous observation of 2 observation lines and 158 observation points, the maximum sinkage of each observation point was -301.9 mm, the value of sinkage speed was small, and the damage degree of tilt deformation, curvature deformation, horizontal movement and horizontal deformation to the surface buildings basically belongs to the damage degree of Class I. It realized the green mining and sustainable development of the mine, and provided valuable experience for the mines with the same conditions.