Environmental protection must seek ways of scientific and legal,and environmental impact assessment is an important means of environmental protection and measures to establish a scientific environment impact assessment system is to improve the situation for human survival,and ensure the quality of good environment.Therefore,the world is focused on environmental impact assessment system construction,environmental impact assessment system of environmental protection as an important legal system,many countries are highly valued.At present,our country to adapt to this urgent request,has announced a full of environmental impact assessment method,and further improved China's environmental impact assessment system.Based on environmental impact assessment system,and briefly in China's environmental impact assessment method is a brief comment.