At present, the three-level safety education commonly used in coal mine workers' safety education and training includes: ① mine entry education. Workers who are new to the mine or change jobs and those who practice in the mine must receive preliminary safety education before being assigned to specific jobs. The contents of education mainly include: the principles and basic laws and regulations of mine safety production, the particularity of mine safety, the basic situation of mine safety production, the introduction of special dangerous places in mines, the general safety instructions for entering wells and the basic knowledge of accident prevention. (2) Workshop, pithead and district team education. The education received by new or transferred workers when they are assigned to workshops, pits and district teams after receiving mining education. The main contents include: safety production in workshops (pits and teams), labor discipline and production regulations, safety rules and regulations that must be observed, safety precautions, dangerous areas in workshops (pits and teams), dust and poison hazards, etc. ③ Post education. Refers to the safety education received by new workers or workers who have changed jobs before arriving at their posts and starting work. The main contents include: the general production situation of safety team, the nature and scope of work, the safe operation method of machinery and equipment, the performance and function of various protective facilities, the possible unsafe factors in the workplace and the prevention and control methods of accidents, the safe evacuation route and emergency rescue measures in case of accidents, and the use method of individual protective equipment.