1, Verbena efficacy and function has clearing heat and detoxification, blood circulation and dissipation of blood stasis, diuresis and swelling. Treatment of external fever, damp-heat jaundice, edema, dysentery, malaria, diphtheria, laryngeal paralysis, gonorrhea, menstrual closure, obstruction in the abdomen, carbuncle, sores and poison, dental chancre.

2, anti-inflammatory and analgesic. Verbena inside the water and alcohol extract can play anti-inflammatory effect, in the rabbit experiment was found on the rabbit's conjunctival sac mediator oil appeared in the inflammation have a very good improvement effect. The water-soluble portion of the latter was again better than the water-insoluble portion. The aqueous extract had an analgesic effect on the pain induced by electrical stimulation of the dental pulp of rabbits, which started 1h after administration and disappeared in 3h, while the analgesic effect of the alcoholic extract was still shown to be completely disappeared after 6h, with the water-soluble portion having a greater effect, whereas the water-insoluble portion had no analgesic effect.

3, cough suppressant. Can also play a cough, the specific method is to clean verbena decoction into a liquid, improve the effect of cough is still very obvious, because verbena contains cough suppressant ingredients, like verbena glycosides, etc., the effect is very good.