Occupational health is a disease caused by research and prevention to prevent the deterioration of the original disease. It is mainly manifested in the changes of human physiological functions caused by exposure to harmful factors in the environment and work. There are many definitions, and the most authoritative one is the definition given by the Joint Vocational Committee of the International Labour Organization and the World Health Organization in 1950: the purpose of occupational health should be to promote and maintain the physical, psychological and social conditions of employees in various industries; Prevent the health of employees from being affected by the working environment; Protect employees from health hazards; And arrange employees in a working environment suitable for their physiology and psychology.
Abide by the national constitution, laws and social ethics, take Theory of Three Represents as the guide, put people first, adhere to the Scientific Outlook on Development, implement the principles, policies, laws and regulations of the party and the state on safety in production, unite and organize national workers on safety in production and occupational safety and health, adhere to the scientific attitude of seeking truth from facts and the study style of integrating theory with practice, promote scientific and technological progress on safety in production and occupational safety and health, and assist the government in carrying out safety in production and occupational safety and health work. Serve enterprises, institutions, government decisions and people's health, develop China's safety production and occupational safety and health, strengthen industry self-discipline, safeguard the legitimate rights and interests of workers in safety production and occupational safety and health, strive to ensure the safety and health of workers, and build a harmonious society.