What is the role of Bupleurum

Chaihu Chaihu [Alias] Ground Smoke, Rooibos, Chai Cao. Source】This product is the dried root of Chaihu or Chaihu with narrow leaves, family Umbelliferae. Nature and Taste: Bitter, slightly cold. It belongs to the liver and gall bladder meridians. Functions and Indications】Relaxing the exterior and interior of the body, draining the liver and raising the yang. Used for cold and fever, hot and cold exchanges, chest and dysmenorrhea, menstrual disorders, uterine prolapse, prolapse of anus. Dosage and Administration】For internal use: decoction, 3-9g; or in pills and powder. The quality of this product is tougher and not easy to break, the cross section is woody and fibrous, yellowish white. Smell slightly fragrant, taste slightly bitter and pungent. The root is thick and long, thin skin, less branch root is better. Storage and preservation】Place in a dry and ventilated place to prevent moths. Note for Use】Not to be taken by those with true yin deficiency and rising liver yang. [Experimental Formula] Influenza: 6g each of Radix Bupleurum, Radix et Rhizoma Polygonatum, Radix Bupleurum and Radix Platycodon, 4.5g of Radix Qiangwu and 3g of Radix Glycyrrhiza Uralensis. 1 dose daily, divided into 2 doses. Cholecystitis with hyperthermia: Take 40g of Radix Bupleurum Chinense, decocted in water and taken at irregular intervals while abstaining from oily food in diet, for patients with right chest distension, vomiting and hyperthermia. Post-drinking fever: Chai Hu 12, Scutellaria baicalensis 9g, Radix Scutellariae Sinensis 9g, Radix et Rhizoma Glycyrrhizae 5g, Ginger 9g, Red Date 4, with water decoction, for post-drinking fever, nausea, loss of appetite, and can prevent alcoholic fatty liver.