It introduces the establishment process of environmental impact assessment systems in various countries around the world (mainly including the United States, the United Kingdom and the European Union), and explains them one by one in accordance with the Environmental Impact Assessment Law and implementation rules, especially the implementation of environmental impact assessment by China's Environmental Protection Agency in accordance with the Environmental Impact Assessment Law. Content, strengthen the introduction. In addition to introducing the development of environmental impact assessment and related technologies, the course also explains the Environmental Protection Agency's technical specifications, review rules, review focus, and meeting procedures for environmental impact assessment review.