American ginseng is cool in nature and has the functions of nourishing qi and blood, nourishing yin and kidneys, strengthening the spleen and stomach, delaying aging and beautifying the skin. It is classified as a monarch product in the "Junchen Assistant" and can be taken for a long time. In medicine, among the "four properties and five flavors", the four properties are cold, hot, warm, and cool. The four properties of ginseng are warm, and the five flavors are pungent, sweet, sour, bitter, and salty, and the five flavors are bitter. Liang. "Famous Doctors" states that ginseng "is mainly used to treat coldness in the stomach and intestines, bulging pain in the heart and abdomen, fullness in the chest and flanks, vomiting due to cholera. It regulates the central nervous system, relieves thirst, unblocks the blood vessels, and breaks the accumulation of hardness. It is unforgettable." Returns to the lung and stomach meridian.