Black beans and soybeans belong to the same soybeans, nutrient composition is almost the same, of which the protein content of the beans, fat to unsaturated fatty acids, and contains 1.64% of phospholipids, so black beans and soybean oil are often recommended to prevent cardiovascular disease as an ideal food, with a reduction in blood cholesterol, to prevent the brain from slowing down the role of the black beans contain calcium, phosphorus, iron, zinc, copper, molybdenum, magnesium, selenium, and other elements. All are indispensable substances for human nutritional health care.