消化废弃矿渣山是矿山企业治理“三废”工作的重点 ,也是水土保持工作的迫切需要。张家口金矿通过实践 ,不断总结经验 ,探讨出一套利用废渣创效益 ,再用效益搞治理的滚雪球方法 ,取得了良好效果。 Digestion of waste slag mines is the focus of mine enterprises in the “three wastes” work, but also the urgent need of soil and water conservation. Through practice, Zhangjiakou Gold Mine constantly summed up its experience and explored a snowballing method that made use of the benefits of waste residue and reused benefits to control it. Good results have been achieved.