The five elements of spleen and stomach belong to soil and are yellow in color. Therefore, yellow food enters the spleen meridian and stomach meridian.

Yellow foods that nourish the spleen and stomach are: corn, millet, yellow rice, millet and so on.

Millet rice is recorded in Compendium of Materia Medica compiled by Wang Ang in Qing Dynasty: millet, nourishing. Glycyrrhiza uralensis Fisch, benefiting qi, harmonizing middle energizer and strengthening spleen and stomach. It can be seen that millet seeds are rich in nutrition and easy for human health.

In ancient times, millet was the length of a hundred valleys, so the emperor worshipped millet and the land god "she" collectively called "her". Therefore, since ancient times, "Jiangshan" has been called "country". Jiangshan is based on yellow soil. Nourishing the stomach is also the standard of nourishing.