Occupational Health and Safety (OHS) is a specialty that studies and prevents diseases caused by work and prevents the deterioration of existing diseases. The focus is on the changes in human physiological functions caused by the environment and exposure to harmful factors during work. . Many people think that occupational health and safety are only related to safe production. In fact, it is not only an important branch of the environmental safety and health (EHS) system, but also an interdisciplinary subject, covering from public health, environmental occupational medicine, safety engineering, ergonomics to labor sociology, industrial relations (labor research), To various subjects such as the sociology of disease and health. With the transformation and upgrading of China’s economy, the wide application of new technologies, new materials, and new processes and the emergence of new business forms, new occupational hazards continue to emerge. Occupational health issues such as work-related musculoskeletal diseases and mental health have attracted widespread attention .

China promulgated the Occupational Disease Prevention and Control Law and Safety Production Law in 2001 and 2002, and revised the two laws in 2018 and 2014 respectively. At present, China has formulated more than 30 special laws and administrative regulations on occupational safety and health, introduced a number of mandatory and recommended national occupational health standards, and established a legal system for occupational safety and health.

In 2019, China's employed population reached 775 million people, ranking first in the world, and most people have more than half of their careers in their careers. At the same time, with the development of the economy and the continuous improvement of awareness, the expectations of the on-the-job staff for occupational health and safety are becoming stronger and stronger, and the whole society is paying more and more attention to occupational health and safety. Occupational health and safety has become an important foundation for improving the sense of health, happiness and quality of life of the working staff. It involves the health of workers and the welfare of hundreds of millions of families. It is related to the overall situation of reform, development and stability. It is the stable and sustainable development of individuals, units, and society. Important guarantee.

In July 2019, the State Council issued the Opinions on Implementing the Healthy China Action, and the occupational health protection action is one of the 15 major actions. The Healthy China Action (2019-2030) clearly puts forward the specific goals and indicators of occupational health protection actions, which are vital to maintaining the health of all employees and promoting the sustainable and healthy development of the economy and society.

The Environmental Safety and Health Department (EHS) will be committed to improving the occupational safety and health protection of employees, preventing and controlling occupational hazards, maintaining the health of all employees, advocating healthy working methods, creating a good atmosphere for the whole school to pay attention to occupational health, and continuously improving The sense of security and happiness of teachers and students in school.