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The five grains include Fire Valley, Hanging Valley, Golden Valley, Water Valley and Earth Valley. Fire Valley is what we commonly call five grains, including soybeans, wheat, rice, millet, sorghum and other food crops. Hanging Valley includes apples, pears, persimmons, plums, chestnuts and many other fruits hanging on trees. Golden Valley, including watermelon, pumpkin, beans, grapes, kiwi and other fruits on vines. Water grains include lotus root, kelp, water chestnut, sea vegetables, as well as the water itself and these aquatic plants. Earthen grains include cabbage, radish, potatoes, sweet potatoes and many other vegetables. (Word from Taoist)

The five types of grains commonly referred to as "five grains". "Five grains" have many different meanings in ancient times, the most important of which are two: one refers to rice, millet, millet, wheat, and bean sprouts; the other refers to hemp, millet, millet, millet, wheat, and bean sprouts. The difference between the two is: the former has rice but no hemp, and the latter has hemp but no rice. The ancient economic and cultural center was in the Yellow River Basin, and the main producing area of ??rice was in the south. However, rice cultivation was limited in the north, so initially there was no rice among the "five grains".