It has many physiologic functions and efficacies, such as lowering blood lipid, lowering blood pressure, softening blood vessel, preventing myocardial infarction, prevention and treatment of cholecysitis and gallstones, relieving and eliminating stomachache suffered from gastroduodenul ulcer, treatment of common cold, lowering weight and eliminating "senile plaque". It also possesses a special efficacy of relieving seasick and carsick.