通过对易燃煤层大断面巷道冒顶区自燃火灾的发生、发展规律的探讨分析，总结出防治易燃煤层大断面巷道自燃火灾的切实可行的方法。 Through the analysis and analysis of the occurrence and development of spontaneous combustion in the top of the coal mine tunnel with large section, the practical method to prevent and control the spontaneous combustion of the large section roadway in the seam with inflammable coal is summarized.