1, cereals: rice, millet, red rice, black rice, purple rice, sorghum, barley, oats, raised wheat and so on.

2, miscellaneous legumes: soybeans, mung beans, red beans, black beans, fava beans, peas and so on.

3, tubers: sweet potatoes, yams, potatoes and so on.

4, the nutritional composition of coarse grains:

Containing protein: different coarse grains contain different protein situations, oats are rich in protein; beans are also rich in protein, and is a high-quality protein, the rest of the coarse grains have less protein than oats and soybeans.

Contained fat: fat content in coarse grains are not high, corn, purple potatoes, etc. The content is very low.

Containing carbohydrates: the carbohydrate content of coarse grains is not very high, buckwheat, oats have more carbohydrates than the rest of the coarse grains. Coarse grains are rich in insoluble fiber, which is good for safeguarding the normal functioning of the digestive system.