At present, China man land relationship is inclining to increasing demands of natural resources, more and more losses of environmental bearing capacity, and sharper and sharper man land contradiction. Therefore, in order to coordinate China man land relationship and promote the national sustainable development, it is necessary to positively explore the oceanic space, promote scientific and technical progress, improve the public education and health, control the population growth, change the traditional consumption model, heighten the resources utilizing efficieney, reduce the wastes, protect t...