Rucheng county is a poor one in Hunan province, where the mining industry acts as one of economical props. But the advantages of great exploitation potentialities of minerals resources are not given full play to due to a series of the problems existing in exploiting mineral resources. This paper puts emphasis on the analyses of the exploitation potentialities and supply and demand situations of minerals resources, then based on these, presents such countermeasures of the sustainable development of mining industry as abandoning the small and weak mining enterprises but supporting the big and powerful ones, rising the level of comprehensive utilization of mineral resources, aiming to give a reference for the development of the mining industry in Rucheng county or even the national economy.