The coal quality indicators and coal distribution of various coal seams were described that can be mined at the current stage of Fangezhuang Mining Branch. By analyzing the occurrence characteristics and distribution law of single coal seams, the relevant indicators of ash, sulfur and volatiles of each coal seam can be compared in recent years to determine the company's benefit coal seam and coal mining seam, and the coal quality was determined through comprehensive comparative analysis. In the index, the easy-to-control indicators and the difficult-to-control indicators. At the same time, the comparative analysis of the company's commercial coal-related indicators in recent years and years later, from the aspect of ensuring the stability of coal quality and combining with the practical example of mine production, the relevant technical scheme and route of how to ensure the stability of commodity coal quality was put forward, the stability of commodity coal quality was ensured through effective technical means.