The sign consists of three parts, namely, the sun above, the leaves below and the bud in the center, symbolizing the natural ecology; The color is green, symbolizing life, agriculture and environmental protection; The figure is a right circle, which means protection. AA-level green food signs and fonts are green with white background, while A-level green food signs and fonts are white with green background. GreenFood logo refers to Chinese "green food", English "green food", green food logo graphics and their combination, which are registered on nine categories of food, and extended to green food-related products such as fertilizers. As a product quality certification trademark, the exclusive right to use the green food logo is protected by the Trademark Law of the People's Republic of China. The use of signs means that food is certified by specialized agencies and licensed to be used by enterprises according to law.