Abstract: Rational development and utilization of the mineral resources is directly related to the benefits of the mining enterprises, and the production scale has a direct influence on the mining construction, production and the final economic benefits. Therefore, the mining-scale project has an important and far-reaching significance to the mines. Taking a copper mine in Jiangxi as an example and combining the production status, this paper brings forward three production scale scheme, and the better one was selected out by ideal-point method, that is 1500 t/d scheme.