Based on old roadway existing high risk area and break loose coal fracture zone in reconstructed mine construction, which tended to cause fire. Through Jindi Mining Industry No. 13 coal seam fire area control practice, the oxidation and spontaneous combustion and the regularity of occurrence and development of high risk area and break loose coal fracture zone was got, which accumulated a large number of fire control technology and fire area management experience and provided reference for other mining area fire control.