Red beans: clearing away heat and toxic materials, strengthening the spleen and regulating the stomach, diuresis and detumescence, ventilation and so on. Can be used for treating dysuria, spleen edema, beriberi, etc. Black rice: black rice has the functions of "clearing liver and moistening intestines", "promoting diuresis and replenishing essence, nourishing lung and relaxing tendons"; It can be used as a medicine for treating dizziness and anemia.