（1） Antipyretic and anti-inflammatory
Saikosaponin and its volatile oil, crude saikosaponinSaikosaponin aEt al. Had obvious inhibitory effect on foot swelling and vascular permeability.

（2） Sedation, analgesia, antiepileptic
SaikosaponinSaponin A has obvious sedative effect, can prolong sleep time, and has obvious analgesic effect.

（3） Protecting liver and benefiting gallbladder
Bupleurum chinense can reduce the degeneration and necrosis of hepatocytes, make the content of hepatic glycogen and ribonucleic acid in hepatocytes largely recover or close to normal, and make the activity of serum transaminase significantly decrease; It can also inhibit the fibrogenesis of the injured liver, promote fiber absorption, and reduce the occurrence of liver cirrhosis.

（4） Regulation of gastrointestinal tract
Saikosaponin can obviously inhibit gastric juice secretion, reduce pepsin activity and ulcer coefficient. The ulcer tends to worsen, which may be caused by the stimulation of saponins on gastric mucosa.

（5） Depressurization and anticoagulation
SaikosaponinIt can reduce blood pressure and heart rate. Its effect is stronger when it is injected intravenously. Saikosaponin can significantly inhibit platelet aggregation, has obvious anticoagulant effect, and can cause hemolysis.

（6） Enhance immune function
Bupleurum chinense extract and Bupleurum chinense polysaccharide have immune enhancing effects. Bupleurum chinense could significantly promote the formation of sheep erythrocyte antibody after secondary immunization. Bupleurum Bupleurum polysaccharide can significantly enhance the lymphocyte proliferation induced by Con A and PHA, suggesting that Bupleurum Bupleurum can enhance T and B lymphocytes.

（7） Metabolism of blood lipid, sugar and protein
Saikosaponin and sapogenin can reduce serum cholesterol and triglyceride. Saikosaponin can significantly increase the synthesis of protein in liver.

（8） Other

Kidney protecting effect: saikosaponin has protective effect on kidney diseases. Small dose can inhibit diuresis, and large dose can promote diuresis.

Bupleurum chinense has certain inhibitory effects on bacteria, viruses and malaria parasites. Saikosaponin also has anti-cancer effect.