Broad beans are leguminous, oblong, concave in the middle, with lime-green, grey-green or tan, purple or black skin.Broad beans are rich in crude fiber, rich in protein, phospholids, choline, trigonelline, trigonelline, trigonoline-2, carbohydrates, vitamin C, vitamin B1, vitamin B2, calcium hydrochloride, phosphorus, iron, potassium, sodium, magnesium, carotene, agglutinin and essential amino acids.Broad bean can treat nephritis, anorexia, constipation, still can reduce cholesterol, prevention and cure arteriosclerosis.