It is mining area trends exploitation of Zijin mountain that causes the amount of dreg abandoned, pile dreg field, these constant changes bring new difficulty and potential safety hazard issue to the prevention and cure of soil erosion. On the basis of investigating current situation of mining area, characteristic, trend foundation of soil erosion, we have analyzed the security validity of the existing water and soil conservation measures, and proposed concrete projects and relevant suggestions supplementing to combine the water and soil conservation measures about the important positions such as mining area of ore, displacement of soil or stone field, soak field, road, etc.At the same time we offer scientific basis for perfecting water and soil conservation measures.