The cereals in the health formula include Huogu, Gu Hang, Jingu, Shui Gu and Tugu. Fire valley is commonly known as five grains, including soybean, wheat, rice, millet, sorghum and other food crops. Guagu, including apples, pears, persimmons, plums, chestnuts and many other fruits hanging on trees. Jingu, including watermelon, pumpkin, beans, grapes, kiwifruit and other fruits on vines. Shui Gu includes lotus root, kelp, water chestnut, seaweed, water itself and these aquatic plants. Tugu includes cabbage, radish, potato, sweet potato and other vegetables.

Five kinds of grains are commonly known as "grains". There are many sayings about "five grains" in ancient times, and there are two main ones: one refers to rice, millet, millet, wheat and glutinous rice; The other refers to hemp, millet, millet, wheat and glutinous rice. The difference between the two is that the former has rice without hemp, while the latter has hemp without rice. The ancient economic and cultural center was in the Yellow River valley, and the main rice producing area was in the south, while the rice planting in the north was limited, so there was no rice in the original "five grains".