HSE management system is a three in one management system. H (Health) means that people have no physical diseases and maintain a sound psychological state. S (safety) means that in the process of labor production, efforts are made to improve working conditions and overcome unsafe factors, so that labor production can be carried out smoothly on the premise of ensuring the health of workers, the property of enterprises and the safety of people's lives; E (environment) refers to the sum of various natural forces or functions that are closely related to human beings and affect human life and production activities. It includes not only the combination of various natural factors, but also the combination of ecological relations formed between human beings and natural factors. As the management of safety, environment and health is closely linked in the actual work process, it is inevitable for modern petrochemical enterprises to form an integrated management system of health, safety and environment.

Health, safety and environment management system is abbreviated as HSE management system, or simply expressed by HSE MS (healthsafetyandenvironment management system). Hsems is a common management system in the international oil and gas industry. It integrates the management experience of counterparts in various countries, reflects the standardized operation of today's oil and gas enterprises in the big city environment, and highlights the scientific management idea of prevention first, leadership commitment, full participation and continuous improvement. It is the license for the oil and gas industry to realize modern management and move towards the international market. The formation and development of the health, safety and environment management system is the result of years of management experience in the city's oil exploration and development, which reflects the complete integrated management idea.