Green food refers to safe, high-quality edible agricultural products and related products that are produced in an excellent ecological environment, produced in accordance with green food standards, implemented full quality control, and obtained the right to use the green food mark. In order to distinguish them from ordinary ordinary foods, green foods have a unified logo. The logo graphic is a perfect circle, which means protection and safety. The color is green, which symbolizes life, agriculture and environmental protection.

Green food standards*** are divided into two technical levels, namely AA-level green food standards and A-level green food standards.

"Green food" (pollution-free food) has practical significance and far-reaching impact on protecting the ecological environment, improving the quality of agricultural products, promoting the development of the food industry, improving people's health, and increasing foreign exchange earnings from agricultural exports.