Tailing is an important component of industrial solid waste. Tailings treatment is one of the important links in mine production. Why should tailings be treated? Usually adopt the way of the tailings dam up processing of concentrator tailings, the tailings in the beneficiation process residues toxic drugs, wastewater, and heavy metal ions to mine the surrounding environment pollution and ecological damage, at the same time will increase the safety of tailings dam, induce mine accidents such as landslide, debris flow, tailings dam, so tailing treatment has been attached great importance.