Abstract: In order to reduce or eliminate the unsafe act in blasting accidents, and then to effectively prevent coal mine explosion accidents, the paper statistically analyzes the four major gas explosion accidents after 2000, and analyzes two accidents in depth. Finally, the paper finds that the direct reason of the coal mine explosion accident are caused by the unsafe act of employees, employees' unsafe act have directly produced gas spark or the gas accumulation, the safety knowledge and the safety awareness of the staff is improved through a 3D animation blasting unsafe action demo and blasting safety action training with virtual reality, which cultivates safety habits of employees.