Grain is not only the staple food of China people, but also a good companion and the main source of vitality, and it also has many benefits to the human body. In the pyramid food structure map of China residents' dietary structure, bread, cereal, rice and pasta account for 50%~60% of food. The nutrients in whole grains are very rich, and the cellulose and minerals in them are several times that of ordinary white rice. Vitamin A, vitamin B 1, vitamin B2, vitamin C, vitamin E and trace elements such as calcium, potassium, iron and zinc are all rich treasures.

Whole grains are the main source of dietary fiber. Many whole grains contain a lot of unsaturated fatty acids, which can lower cholesterol and prevent cardiovascular diseases. Therefore, they can provide almost most essential nutrients for the human body and can be said to be the most nutritious food group.