"Mine regreening" refers to the process of comprehensively treating the geological and environmental problems caused by mine mining through the use of engineering, biological and other technical means, so that the geological environment of mines can be stabilized and the ecological environment can be restored. At this stage, the technical methods of mine regreening often used in the treatment of mine geological environment in China mainly include soil covering greening, retaining wall slope storage greening, excavation platform greening, slope drilling greening, fish scale pit soil storage greening, hanging net spraying greening, ecological bag greening, ecological grass blanket greening, floating platform greening, planting concrete greening, etc.