Resveratrol is an active component which is extracted from Giant Knotweed. Its pharmacology function can be described as follows: Antibiotic antivirus, anti-tumor, resists the hepatitis, suppresses the agglutinate production with plain B2 of thrombus of blood platelet. It can prevent low density fat albumen from oxidize, have potential prevention and cure cardiovascular disease, gives protection against cancer, antivirus and immune regulating action, its function is shown as its anti-oxidant characteristic mainly.