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This paper discusses some key issues in the ecological reclamation. First, terrain, water system, the soil physical and chemical properties, and biological changes in the mining subsidence area were monitored; the ecological environment and soil ecological destruction mechanism and farmland ecological system elements space-time evolution rules in mining subsidence area were revealed. Second, the landscape pattern changes before and after reclamation were examined with RS and GIS technology. Finally, the mining subsidence area landscape ecology remodeling technologies were carried out.