Alfalfa is flat in nature and bitter in taste, with the effect of clearing heat and diuretic, relaxing the tendons and muscles, dredging the intestines, removing stones and replenishing blood. Alfalfa in alfalfa and alfalfa phenol and other substances have the effect of relieving cough and asthma, and have a certain effect on bronchial diseases. In addition, alfalfa can prevent the oxidation of adrenaline and has mild estrogen-like effect and anti-cancer effect; soy flavonoids and alfalfa phenol contained in alfalfa have estrogenic biological activity. Alfalfa also contains hemostatic effect of vitamin K, can cure stomach or hemorrhoids, intestinal bleeding.