The efficacy of DC Bupleurum. Protecting liver, benefiting gallbladder and lowering blood lipid: Bupleurum DC. , saikosaponin, saikosaponol and α-spinach sterol have protective effects on animal liver injury caused by various reasons. It can reduce ALT and AST, alleviate liver cell damage and promote liver function to return to normal. The protective mechanism of Bupleurum chinense may be that saikosaponin has direct protective effect on biofilm (such as mitochondrial membrane); Saikosaponin promotes ACTH secretion in pituitary gland, and then increases plasma cortisol; Antagonize adrenal atrophy caused by exogenous steroid hormones and improve the body's resistance to non-specific stimuli; Promote DNA synthesis of hepatocytes and inhibit extracellular matrix synthesis.