White sugar is sweet and has the effect of invigorating qi and nourishing yin. Hawthorn is acidic and warm, and has the effects of promoting digestion, promoting blood circulation and removing blood stasis. Polygonatum odoratum is sweet and flat, and has the effects of nourishing yin, moistening lung, promoting fluid production and nourishing stomach. Seabuckthorn is sweet and warm, and has the effects of tonifying kidney, solidifying essence, nourishing liver and improving eyesight. The combination of the four drugs has the effects of nourishing yin, promoting fluid production, promoting blood circulation and removing blood stasis, and can be used for treating hypertension, cardiovascular and cerebrovascular diseases, such as coronary heart disease and hyperlipidemia.