Black beans and pig’s trotters, pork ribs, beef, etc. can be made together in soup, meat and vegetables, to increase food nutrition. The following black beans and pig’s feet soup as an example of its nutritional value. Black beans is a high nutritional value of food, modern nutritional research found that every 100 grams of black beans contain about 1377 mg of potassium, 500 mg of phosphorus, 224 mg of calcium, 243 mg of magnesium, 33.6 grams of carbohydrates, as well as a large number of essential amino acids. Pig’s trotters, like black beans, also contain a large number of amino acids (1,768 mg lysine, 1,636 mg leucine, etc. per 100 grams of pig’s trotters). In addition to this, pig’s feet also contain 101 mg of sodium, 155.74 mg of chlorine, 176.99 mg of sulfur, and many other nutrients per 100 grams. Putting black beans and pig’s trotters together to make soup is not only tasty, but also can provide rich nutrients for the human body, which is important for maintaining human life activities. However, pig’s trotters contain more cholesterol, it is not suitable to eat too much, especially those who have high cholesterol themselves, to strictly control the amount of food. Black beans can also be and ribs, beef, etc. together in soup, meat and vegetables, to improve the absorption rate of protein in black beans.