Food safety has aroused worldwide concern.In our country food safety is closely related to the issues of improving people's life quantity,safeguarding people's health,maintaining social stability,establishing a harmonious society,etc..It can be said in some degree that to safeguard food safety is to maintain ecological safety,economy safety,and national safety.Currently,the country is confronted with the following questions in the aspect of food safety:1) Insufficient food supply and low up-to-standard rate;2) High residue of poisonous and harmful materials in food and increased food poisoning accidents;3) Prominence of resource,ecology and environment problems,and latent threats to sustainable food production capability;and 4) Incomplete legislation for food safety,and inadequacy in law enforcement and management.Ecological agriculture is an important orientation for agricultural to develop in the current society,because of its significant functions of boosting production,increasing income,improving efficiency and protecting the environment,and its great contribution to improvement and optimization of agricultural ecoenvironment and production of healthy quality safe food.It can be said that ecological agriculture will play an important irreplaceable role in resolving a number of problems China is confronted with in the aspects of food supply,quality and safety,and sustainable development of food production.In order to guarantee safety food in the new century,China must make more efforts in developing ecological agriculture,adopting the following measures:To improve the awareness of ecological agriculture;to popularize ecoagricultural knowledge;to expand and apply ecoagricultural knowledge countrywide;to intensify scientific research on ecological agriculture and to attach more importance to industrialization of ecological agriculture.