Since the founding of the People's Republic of China, especially since 1978, China has gained significant achievements in agricultural development. However, at present China is facing new challenges and must further push ahead the process of modernized agricultural construction. In 2003, While the per capita GDP exceeded 1 000 USD in for the first time in history, China was faced with the strategic opportunity of strengthening food and nutrition work. Food security involves quantity, quality, nutrition, resource of food as well as many aspects of work in food industry. It is essential to establish the thought of concerning the vital interests of the people and scientific development outlook, take the “Development Program of Food and Nutrition in China” as the guide, and assure the food security in China in the new era. The 14 years of development of Green Food Cause in China has made important contributions to food security. However, it is essential to do more solid work in green food development scale, technical support and management system, so as to promote even greater development of green food cause and make even greater contributions to food security in the new era and to building a well-off society in an all-round way.