According to the needs of sustainable development and the environmental protection, ISO promulgated the ISO 14001 environmental management system standard in 1996 formally, and revised in 2004 and 2015.The basic objective is to guide the organization to establish an environmental management self-restraint mechanism according to PDCA model. All of the leaders and workers deal with the relationship between personal development and environmental protection initiatively and consciously, improve environmental performance continuously, and prevent pollution effectively, and ultimately active the benign development of the organization. The organization should support environmental protection, pollution prevention and continuous improvement through the establishment of environmental management system, and prove its environmental management system compliance and environmental management level to the outside world by obtaining a third party certification.

Wide applicability
Strengthened leadership
Strategic management thinking
Application of risk-based thinking
Enhancing environmental performance
Assisting the organization in the fulfilment of compliance obligations Integrated into the organization's business process
Using a life cycle perspective
Commitment to expand from pollution prevention to environmental protection
No specific environmental performance indicator be defined, but the legal complaints, pollution prevention and continual improvement are fundamental elements in EMS.
EMS has to combined with the current management system elements of the organization
To improve the environmental behavior, and to avoid legal and environmental risks
To improve the management level of the organization, and to provide the scientific management mechanism for pollution prevention and sustainable development
To promote energy conservation and costs reduction
To enhance the market competitiveness and social reputation
To improve the management level and the environmental awareness of all employees.