Abstract: In this paper, in accordance with the features of landfill, the effect of geological environment for the sanitary landfill of city rubbish is analyzed in respect of the interactions between landfill and geological surroundings, including geotechnical properties of municipal solid waste landfill materials, landfill slope stability and landfill lining system are effecting the geological environment. The improvement measure is put forward and set up the supervise system for its.