With the continuous development of the industrial revolution, environmental pollution has become more serious, volcanoes erupt frequently, earthquakes and tsunamis continue to occur, SARS appears, a large area of locust natural disasters have emerged, a new type of coronary pneumonia is spreading all over the world, the number of deaths in the world has increased dramatically due to the natural environment. The global climate and environment have been seriously tested, and countries around the world have begun to pay attention to environmental issues. Based on the plot described in the movie afanda, the author makes a deep analysis of the natural, environmental and harmonious coexistence of mankind. In the development of economy, human beings must protect the environment and take the road of sustainable development, just as the golden mountains and silver mountains are not as green as the green mountains and rivers, which provide ideological guarantee for people to take the road of sustainable development. How should human society and nature get along properly? The film "Avatar" conceives an ideal state of man and nature; Heidegger's poetic residence is a realistic state that human beings can strive to achieve in the future.