Based on many branches under Tong Mine group existing short Spontaneous combustion period, yellow grouting had been adopted to  govern fire preventing and extinguishing in goaf, and with general effect. Jinhuagong mine was taken as an experimented mine to adopt expansive cement material, the technology greatly decreased mine spontaneous combustion rate in band and goaf roadway and stop line area fire preventing and extinguishing, and improved the goaf management, got good fire preventing and extinguishing result, provided a new technical way to prevent and extinguish fire.