Adzuki bean contains more saponins, which can stimulate the intestine, has a good diuretic effect, can relieve alcoholism and detoxify, and is beneficial to heart disease, kidney disease and edema. It contains more dietary fiber, and has good effects of relaxing bowels, lowering blood pressure, lowering blood fat, regulating blood sugar, detoxicating and anticancer, preventing calculus, and keeping fit and losing weight.

In dietotherapy, it is often used for hypertension, antipyretic, non-toxic, and red beans are sweet. Generally made into bean paste or used as raw material for cakes, it can relieve edema caused by various reasons, relieve summer heat, resist atherosclerosis, strengthen stomach and other uses. It has the effect of eliminating dampness and strengthening spleen, and is suitable for mixing with grains to make bean rice or bean porridge. It is a panacea and acid agent for doctors to treat diseases. Traditional Chinese medicine believes that it is more suitable for people with weak spleen and stomach, and the content of lysine in red bean protein is higher.