Astragalus, Salviae Miltiorrhizae, and Hawthorn, belong to Qi tonic, blood activator and food eliminator in Chinese medicine respectively. These three kinds of Chinese medicines in water have the effect of tonifying qi, activating blood and eliminating food. For the prevention and treatment of cardiovascular and cerebrovascular diseases, it is very beneficial. Let’s take a look at what kind of effects each of these three herbs has. First of all, astragalus has the effect of tonifying qi and promoting yang, fixing the surface and stopping sweating, inducing diuresis and eliminating swelling, and generating fluid and nourishing blood. For example, like the surface of the group of weak self-sweating, often sweating, with astragalus to brew water to drink, is able to improve the symptoms very well. For example, just after surgery patients, the body is relatively weak, with astragalus to brew water to drink, can be very good to improve the function of the body, improve the body’s immunity. Salvia miltiorrhiza has the functions of activating blood circulation, removing blood stasis, nourishing blood and tranquilizing the mind, cooling blood and eliminating carbuncles. Salvia is very good for cardiovascular diseases. Modern pharmacological research shows that Salvia miltiorrhiza can enhance the metabolism of the heart, can promote circulation and can improve circulation. Like the clinical treatment of cardiovascular and cerebrovascular diseases of Chinese patent medicines are danshen drip pill, compound danshen tablets and so on. There is an old saying that one flavor of Danshen has the same function as four substances. Four Substances refers to a Chinese herbal compound formula composed of Angelica sinensis, Radix Rehmanniae Praeparata, Rhizoma Ligustici Chuanxiong and Radix Paeoniae Alba. Four Substances Soup is very famous in treating gynecological diseases. But Dan Shen, a single Chinese herb, is comparable to Four Substances Tang. This shows the advantage of Salvia miltiorrhiza, which is very beneficial in activating blood and nourishing blood. Besides, hawthorn, we all know that hawthorn can promote digestion, can eliminate food and strengthen the spleen. But hawthorn also has a role in activating blood circulation and removing blood stasis. Hawthorn also has the effect of lowering blood fat. Therefore, astragalus, salvia and hawthorn together in water is very beneficial to patients with cardiovascular and cerebrovascular diseases. Qi and blood are interacting with each other, and the promotion of Qi influences the flow of blood. It is very good for the human body to replenish qi and activate blood and reduce blood fat. Therefore, it is recommended that people with cardiovascular and cerebrovascular diseases, or those who are older, are very suitable for these three kinds of herbs to make water to drink.