Addressing problems of failure to meet requirement in ore quality of ore market at the second stage mining,Meishan Mining Company,the paper analyzes the reasons and explores ways of raising ore grade.

• 针对上海宝钢集团梅山矿业公司在进入二期开采后,出现的矿石品位下降,不能满足市场需求的矛盾,分析原因,并探索了提高原矿品位的有效途径。