The Evolvement of the Investigation and application on coal mine fire prevention and fire-fighting techniques in China is summarized. Mine fire prediction & forecast theories and methods, detection ways of coal spontaneous combustion area, mine fire prevention and fire-fighting techniques, detection and control of exogenous fire beginnings, decision-making support system of mine fire prevention and fire extinguishing and so on are presented in detail. Existent problems are analyzed in the investigation and application on coal mine fire prevention and fire-fighting techniques in China.