Abstract: A small amount of gold and silver copper is associated with the iron ore of Qinghai, and the associated minerals reach the recovery standard; the test adopts the first magnetic rear floating and the first floating post-floating magnetic process flow; the first magnetic post-floating process can obtain the iron concentrate containing 68.25 percent of the total iron, 77.48 percent of the iron recovery rate, 28.60 percent of the copper concentrate and 41.14 percent of the copper recovery rate, The gold content of the copper concentrate is 18.60 g/ t, the silver content is 1127.91 g/ t, the recovery rate of gold is 44.44%, and the silver recovery rate is 46.23%.