Abstract: Aiming at the actual situation of coal fire in Fukang gas coal No.1 mine,this paper analyzes coal field features.By detecting outcrop and hidden fire source,six sources of fire in the detection area are found.Adopting the method of drilling grouting and glue injection,the fifth and sixth fire areas are governed emphatically.Through the comprehensive treatment,the surface subsidence has been effectively filled,and the phenomena of forming the water column and smoking have been effectively controlled in the fifth and sixth fire area.The coal fire extinguishing has achieved the expected effect.