Abstract：The gas basic parameters of coal seam groups in Fanjiazha coal mine were determined, and coal and gas outburst danger was predicted.The gas enrichment control action of depositional environment, structural characteristics, characteristics of surrounding rock, coal quality, the characteristics of coal cleat and hydrogeological conditions were analyzed.It has some practical importance for safety production in Fanjiazha coal mine.

Keyword：Outburst danger forecast;methane;enrichment;control factors;