All belong to whole grains. There are many effects. Hu Aishan strengthens the spleen, stimulates appetite, and tonifies lung qi. "Compendium of Materia Medica" says: "Yam benefits kidney qi, strengthens spleen and stomach, stops diarrhea, reduces phlegm and promotes fluid production, and moistens fur." As we all know, sweet potatoes, that is, sweet potatoes, moisten the intestines and relax the bowels. The main function of millet is to harmonize middle energizer, tonify kidney, clear away heat and detoxify. Moreover, millet contains a variety of functional factors beneficial to sex, which can strengthen yang and nourish yin and promote eugenics.

Corn is sweet and flat. It has the effects of regulating middle energizer, stimulating appetite, benefiting lung, calming heart, clearing away damp-heat, benefiting liver and gallbladder, and delaying aging.