Abstract: The ore bodies of Xintai Mining Company are moderately inclined thin ore bodies and the extraction is dominated by separate mining and separate drawing.The judgment criteria of separate mining and index used to be based on empirical judgment method.In order to make full use of limited ore resources,balanced extraction profit and loss technical and economic analysis acts as the foundation.For the thin ore veins separate mining and separate drawing plan,the data are analyzed comprehensively and summarized,and reasonable extraction technical index are selected,to make maximum profits.The method can provide basis to improve drawn ore grade,lower extraction cost,and guarantee practical effect of economic benefits,attaining sustainable development.