The environmental management system model follows the traditional PDCA management model: planning (PLAN), implementation (DO), inspection (CHECK) and improvement (ACTION), that is, planning out the goals and principles to be achieved by management activities; Goals and reflect the above working principles in the implementation process; check and find problems, and take corrective measures in time to ensure that the implementation and realization process will not deviate from the original goals and principles, and realize the improvement of the process and results.