In view of the comple xity of multiple-objective decision-making for improving the dependability and scientificity of decision-making,some methods are combined to establish a more dependable evaluation and decision-making method.The decision-making of mining industry is a typical grey system,so the evaluation and decision-making of mining industry based on grey theory is of important theoretical and practical significances.This paper combines analytic hierarchy process with grey correlation analysis,uses an optimal weighting model to determine the weights of the indexes.The case analysis shows that the proposed model is more scientific and practical.