Abstract: Coal-bearing rock is rich in coal resourcesand other mineralresources, but there is no complete the comprehensive evaluation process and evaluation methods for coal resources.Combining with the practice of comprehensive investigation of coal resources, this paper systematically combs the contents, evaluation methods and comprehensive evaluation process for the coal resources, and discussed the technical method system of comprehensive evaluation.In order to meet the current economic and technological conditions as the basic requirements, and comprehensive considerate the comprehensive evaluation of the development and utilization indexes of single and multi-mineral coal measures, a reference index for comprehensive evaluation of coal resources is put forward, which provides a scientific basis for comprehensive evaluation of coal resources.