"Coarse grains" is a name relative to "flour rice" such as rice and white flour, which mainly refers to grain products including corn, sorghum, millet and various beans. The main difference is that it contains cellulose.

Supplementary: Miscellaneous grains usually refer to grain and bean crops other than rice, wheat, corn, soybeans and potatoes. Mainly includes: sorghum, millet, buckwheat (beet, bitter buckwheat), oat (naked oats), barley, millet, coix seed, amaranth and kidney bean (kidney bean), mung bean, adzuki bean (red bean), broad bean, pea, cowpea and lentil (lentil).