Human and nature is originally a kind of dialectical and harmonious relationship. They are interdependent and equal existence. Since 19th century, expecially in recent 200 years, population has grown faster, and with the rapid development of world's economics, people are eager to get all kinds of natural resources as their living resources. Such these phenomena bring forth great shock and pressure to environment and carrying capacity of earth. Human is facing an imbalance world, such as environmental pollution, destroyed land, traffic jam, energy crisis, ecological imbalance, etc. Serious effects are paid more attention by people, and for the sake oi it, such theories as scientific development, harmonious ethics, economic improvement of low price, green GDP, environmental anthropology, ecological ethics are appeared. They are of significance and far-reaching importance.