1, Functions: clearing heat and detoxification, swelling and pain. Used for colds, tonsillitis, sore throat, acute gastroenteritis, rheumatism and bone pain; external treatment of bruises. Iron holly leaf injury, carbuncle sores, traumatic bleeding, burns.

2, pharmacological effects:

(1) haemostatic effect of rescue should be ethyl (triterpene glycosides) in the test tube can shorten the coagulation time, on the dog femoral artery incision, dogs, rabbits, partial resection of the liver lobes, dogs, dogs, splenic crucifixion, rabbits, rabbits and rabbits ear and mesenteric phlebectomy can shorten the time of haemostasis.

(2) The effect on smooth muscle save Bibiogenin on isolated rabbit ear vascular perfusion, proved to have a contractile effect on vascular smooth muscle. Its flavonoid glycoside part, the guinea pig isolated ileum has a relaxing effect, and can antagonize the intestinal spasm caused by acetylcholine.

(3) antibacterial effect of decoction test tube can inhibit Staphylococcus aureus, hemolytic streptococcus and dysentery (Fuchs), typhoid fever, Pseudomonas aeruginosa.