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ISO14000: the international organization for Standardization (ISO) established the ISO / tc3207 Technical Committee for environmental management in June 1993, and formally carried out the formulation of environmental management standards, so as to plan the activities, products and services of all organizations, such as enterprises and social groups, and support the global environmental protection. It is a complete and highly operational system standard, including the organizational structure, planning activities, responsibilities, practices, procedure processes and resources required for the formulation, implementation, implementation, review and maintenance of environmental policies. Among them, ISO14001 is the main standard of environmental management system standard. It is the international standard for enterprises to establish and implement environmental management system and pass the certification according to ISO14000 environmental management system. The purpose is to standardize the environmental behavior of enterprises and social organizations, so as to save resources, reduce environmental pollution, improve environmental quality and promote the sustainable and healthy development of economy 。 The users of ISO14000 series standards are global business, industry, government, non-profit organizations and other users, whose purpose is to restrict the environmental behavior of organizations and achieve the purpose of continuous improvement