Polygonatum is sweet in taste, mild in nature, and non-toxic. It nourishes yin, invigorates the spleen, nourishes the lungs, nourishes the kidneys, invigorates the middle and nourishes qi, and is anti-aging and prolongs life. It is suitable for long-term consumption and has inherited traditional Chinese medicine culture for five thousand years. Modern pharmacological research has found that Polygonatum has anti-aging, lowering blood sugar, lowering blood fat, improving and improving memory, anti-virus, anti-tumor, and regulating immunity. Significant improvement. "Compendium of Materia Medica" says that sealwort "single serving, steaming nine times and exposing it nine times, keeps the beauty and breaks the valley". In the theory of traditional Chinese medicine, sunlight is the fundamental source of all heat and yang energy in nature. The ancients believed that steaming and drying medicinal materials repeatedly is like injecting the moisture of yin and the vitality