Abstract: In order to make clear the application status and development tendency of fire prevention and extinguishing technology with water mist underground mine,a nd fully play the role of the technology,from the two aspects of exogenous fire disaster and spontaneous fire disaster in the goaf,the paper summarized the application stat us of fire prevention and extinguishing technology with water mist underground mine and prospected on the development tendency of engineering practices based on fire p revention and extinguishing technology with water mist. A feasible analysis was conducted on the water mist physicochemical features,engineering practices underground mine and other aspects and the paper pointed out the key technical problems of application process to be solved in the future. The study results showed that fire preventio n and extinguishing technology with water mist could have high study value and the relevant technical specification of water spraying application underground coal mine sh ould be set up as early as possible in the coal industry.