Abstract: Green economy is becoming the focus of international competition and the most powerful engine of future economic development.Developing green economy helps promote employment and revive economy，and also benefits environment protection and sustainable development.Besides，green economy is effective in restructuring of global economy and in removing green barriers in international trade.China has made some progress in green economy but is still faced with such difficulties as inadequate investment，public indifference to green consumption，and green barriers set up by developed countries.Rapid development of green economy in China depends on government′s macro-control and restructuring of green industries and green products.Green enterprises′ promotion efforts and cooperation，together with strengthened green consumption consciousness also contribute the development of green economy.

Key words: green economy, sustainable development, green barrier, financial crisis, global climate change, environmental protection, ecosystem