文中首先辨析“可持续”和“可持续发展”2个不同概念;提出了生态需求和生态供给的概念,认为生态需求分为公共生态需求和私人生态需求,生态供给分为公共生态供给和私人生态供给;分析了生态需求和生态供给的变动规律,认为其各自分别有量的变动以及生态需求或供给的变动2种情况;讨论了生态供求平衡的规律,包括生态供求变化的基本趋势和生态供求平衡的调整;最后指出:1)满足私人生态需求必须依靠以私人投入为主、政府投入为辅的市场调节机制,满足公共生态需求则必须依靠以政府投入为主、私人投入为辅来实现;2)增加生态供给有外延扩张和内涵扩展2种形式,努力提高生态经济产品的价值内涵是扩大生态产品有效供给的正确选择。 First of all, two different concepts of “sustainable” and “sustainable development” are analyzed. The concept of ecological demand and ecological supply are put forward. Ecological demand is divided into public demand and private demand. Ecological supply is divided into public Ecological supply and private ecological supply; analyzed the changes of ecological demand and ecological supply, considered their respective changes in quantity and changes in ecological demand or supply; discussed the law of ecological supply and demand balance, including changes in ecological supply and demand Basic trends and ecological balance of supply and demand. Finally, it is pointed out that: 1) to meet the needs of private ecology, we must rely on the market regulation mechanism which is dominated by private investment and supplemented by government investment. To meet public ecological needs, we must rely mainly on government investment and private investment Supplemented to achieve; 2) increase the ecological supply of extension and expansion of connotation of two forms of expansion, and strive to improve the value of eco-economic product content is to expand the effective supply of eco-products the right choice.