Scientific research shows that black beans have the characteristics of high protein and low calorie, and their protein content is as high as 36%-40%, which is twice that of meat, three times that of eggs and 12 times that of milk. It is rich in 18 amino acids, especially 8 essential amino acids. Because black beans basically contain no cholesterol, only phytosterol, which is not absorbed and utilized by human body, can inhibit the absorption of cholesterol by human body and reduce the cholesterol content in blood. Therefore, eating black beans often can soften blood vessels, moisturize skin and delay aging, especially for hypertension, heart disease, liver and arterial diseases.

Lentils contain many vitamins and minerals. Regular consumption can strengthen the spleen and stomach and increase appetite. Eat more lentils in the next few days, which will relieve summer heat and clear the mouth. Chinese medicine believes that lentils have the effects of harmonizing viscera, nourishing spirit, invigorating qi and spleen, eliminating summer heat and dampness, inducing diuresis and reducing swelling.

Thick soup boiled with bones is rich in calcium and protein, which has the function of strengthening tendons and bones; It is especially suitable for developing children and middle-aged and elderly people threatened by osteoporosis.