The investigative progress and the current situation of coal mine fire prevention and extinguishing techniques in China were discussed briefly. The technical characteristic and applicability of coal mine fire monitoring technique, the fire prevention and extinguishing techniques by slurry-grouting, even air press ventilation, inhibitor, foam, inciting, gel, leakage proof and so on were presented in detail. Also, through studying the existent technical problem of coal mine fire controlling practice, the development trend of ensuring system safety, strengthening basic research, developing key technologies and special equipments for coal mine fire was pointed out.