Addressing problems of failure to meet requirement in ore quality of oremarket at the second stage mining,Meishan Mining Company,the paper analyzes the reasonsand 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。