Resveratrol is the main functional component of Polygonum cuspidatum. Studies have shown that resveratrol exhibits a wide range of antioxidant properties, such as LDL cholesterol oxidation and lipid peroxidation. Resveratrol also shows cardiovascular health and blood circulation, relieves pain, clears away heat and detoxifies, and detoxifies. With anti-inflammatory, ankle arthritis and antimicrobial activity