Red bean is a kind of food, red bean is red rice bean, also known as red small beans, is a kind of traditional Chinese medicine. Red beans have a medicinal value that red beans do not have, and can treat diseases. Red beans are a high nutritional value of food, can provide the body with rich carbohydrates, potassium, etc. 100 grams of red beans contain 329 calories, of which 62.9 grams of carbohydrates, 19.87 grams of protein, 12.7 grams of dietary fiber, 0.53 grams of fat, 66 milligrams of calcium. Eating red beans in moderation helps the body to have a balanced nutritional intake. Red beans as food do not have a special role in treating diseases. Adzuki beans are a kind of medicine and food, containing a large amount of carbohydrates, carotene and other substances, but also can supplement the body’s needs of magnesium, calcium, phosphorus, potassium and other trace elements. Red beans have the effect of reducing swelling and diuresis, draining pus and detoxification, and can be used clinically to treat edema and distension, jaundice and urinary redness, swollen feet and other diseases. Red beans and red beans are not the same substance and should be used differently.