1, efficacy and function: relieving depression and tranquilizing mind, promoting blood circulation and reducing swelling. It belongs to the classification of sedative drugs.

2. Clinical application: the dose is 6 ~ 12g. Appropriate amount for external use, grinding and dressing. Can be used for treating anxiety, depression, insomnia, lung abscess, swelling and pain, and traumatic injury. Modern medicine is used to treat anxiety, depression and insomnia.

3. Pharmacological research: It has antifertility, antiallergic and antitumor effects.

4. Chemical composition: It contains tannins, flavonoids, saponins and aglycones, volatile oil, sterols, organic acid esters, glycosides and other chemical components.

5, contraindications: peptic ulcer, gastritis patients with caution, wind-heat sweating, exogenous insomnia is prohibited.