Flavonoids contained in butterfly pea flowers which has highly antioxidant property and phenopholic content and cynin in that which helps to improve the human health systems by consuming it and purify the human body ,which has very much medicinal uses,extraction of flavonoids by butterfly pea flowers with different proportions of Ethanol ,Methanol with different proportions where it can understand in 70%,80%,90% proportions maximum flavonoids are extracted.