Fengfeng mining area is rich in coal resources.It is one of the important coal production areas in china.Through the study and exploration survey on the area,it shows that the major working seam is not only the gas source rock of the coalbed,but it is also the reservoir bed.The organic micropetrological unit is mainly about vitreous coal component.The grades of metamorphism of the coal are the medium-high ranks coals from bituminous coal to anthracitic coal.The gas production rate is high and the area is high gassy mineral district.There are mainly the normal faults in the entire district,but the faults make the coalbed to contact with the argillaceous rock bed,which makes the faults have bound closure conditions.The coalbed lays the deep level of Fengfeng mining area and the buried depth of the coalbed is a little deep.The lithologic character of the immediate roof of the coal seamⅡ is the mudstone or the siltstone,and it is the high density and its permeability for gas is a little bad,which is favour of saving for the coalbed methane resources and the gas content is much high.