1. Generally, it is decocted in clay pots, casseroles or stainless steel utensils. Boil with strong fire first, and then simmer slowly with slow fire. After adding Herba Artemisiae Scopariae and Fructus Jujubae, decoct15 ~ 20min.

2. Jujube, also known as jujube, is warm and sweet, and has the effects of invigorating qi and blood, strengthening spleen and stomach. Modern pharmacology has found that jujube contains protein, fat, sugar, vitamin A, vitamin C, cellulose and minerals such as calcium, phosphorus, iron and magnesium, which have the functions of lowering blood pressure, protecting liver and improving immunity, while Artemisia capillaris contains effective components such as volatile oil, coumarin and flavonoids.