Ursolic acid is a triterpenoid compound in natural plants, which has many biological effects such as sedative, anti-inflammatory, anti-bacterial, anti-diabetic, anti-ulcers, lowering blood sugar, etc. Ursolic acid also has obvious antioxidant function, so it is widely used as the raw material of medicine and cosmetics. The clinical manifestations of ursolic acid are significant and rapid reduction of pyruvic transaminase, serum transaminase, regression of jaunthrax, increase appetite, anti-fibrosis and restore liver function, with quick effect, short course of treatment, stable effect characteristics.