Need. According to "Regulations on Standardization of Work Safety", the three-level safety education system is the basic education system of enterprise safety education. Three-level safety education includes factory education, workshop education and team education. Enterprises must provide factory education, workshop education and security team production education to new workers. Workers who change jobs, return to work and adopt new technologies, new processes, new equipment and new materials must receive safety and health education in new posts and new operation methods. Educated workers can only take up their posts if they pass the exam. Therefore, the safety director needs to undergo three-level training.