Abstract:Through mineralogical research on the copper well tailings of Yi'nan gold deposit in Shandong province, it was found that the minerals available in the tailings are magnetite and garnet. According to different mineral properties, a beneficiation process of weak magnetic separation of iron, strong magnetic separation of garnet, and gravity separation and purification is adopted to ultimately obtain iron concentrate and garnet concentrate. It will provide theoretical basis for improving the comprehensive utilization rate of tailings resources. It is of great significance for promoting the sustainable development of mines.