The State Administration of Work Safety has stipulated the total training time of pre-job safety education at all levels. In other words, the total training time of pre-job safety education at all levels shall not be less than 72 hours except for high-risk industries such as coal mines, non-coal mines, dangerous chemicals and fireworks, and all other industries shall not be less than 24 hours.

Factory-level safety education is generally conducted by the enterprise safety technology department, and the time is 4 to 16 hours. Workshop safety education is the responsibility of the workshop director or safety technicians, and the teaching time is generally 4~8 hours.

General safety education lasts about three days. In order to make new employees understand the concept of safe production and have the awareness of safe production, so as to ensure safe production, they must be taken seriously during the training time.

Three-level safety education refers to the factory-level safety education, workshop-level safety education and post (section, team) safety education for new employees and workers, which is the basic form of safety production education system in factories and mines. 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.