Lycium barbarum enters the liver, kidney and lung, nourishing the kidney and moistening the lung, nourishing the liver and improving eyesight. Yam enters the lung, spleen and kidney, strengthens the spleen and tonifies the lung, and strengthens the kidney and essence. Silkworm pupae enter the spleen and stomach, nourish the liver and stomach, dispel wind and dissipate heat, benefit essence and strengthen yang. Yizhi enters the spleen and kidney, warms the spleen and kidney, and consolidates qi and converges essence. Cinnamon enters the kidney, spleen, heart and liver, tonifies vitality, warms the spleen and stomach, stops cold pain and dredges blood vessels.