The nutritional value of carrots: 1, rich in folic acid, and the role of folic acid in the prevention of cancer is very obvious, by eating carrots to supplement folic acid and have a good role in the prevention of cancer. 2, rich in vitamin A, for dry eyes, night blindness, vision fatigue, appropriate to eat carrots to supplement vitamin A, and have a good bright eyes, relieve visual fatigue. 3, can lower blood pressure and strengthen the heart. The carrot contains quercetin and kaempferol, which can effectively increase the blood flow of the coronary arteries, thus having a certain effect of lowering blood pressure and strengthening the heart.