Modern medicinal parts used are the leaves and flowers as well the fruit. The main active constituents of Hawthorn are flavonoids including oligomeric procyanidins (OPCs), act as potent antioxid .It has a primary role in promoting cardiovascular health. This includes an improvement in coronary artery blood flow and thus oxygen supply to the heart, contractions of the heart muscle, stable angina and stage II congestive heart failure. It has also been made evident that Hawthorn increases blood flow to the periphery by decreasing resistance in peripheral blood vessels, and has mild effects in lowering blood pressure. Hawthorn has a plenty of VC.