Modern medicine believes that soybean can prevent arteriosclerosis, inhibit obesity, prevent iron deficiency, supplement calcium, reduce cholesterol accumulation in the body, enhance brain cell development, enhance memory, lower blood sugar and prevent cancer. According to China medical science, soybean is flat and sweet, and has the effects of relaxing the middle energizer, benefiting the large intestine, clearing away heat and toxic materials, inducing diuresis and reducing swelling.

Green soybeans are tender, fried or cooked, which have the effects of nourishing the liver and stomach, nourishing and strengthening. Black soybean has the highest content of protein, which is helpful to grow bones and muscles, and has the effects of pleasing face, blackening hair, improving eyesight, calming the heart and prolonging life.

There are many kinds of soybean products, such as soybean milk, tofu, bean sprouts, bean curd, bean skin, yuba, bean curd, douchi, soy sauce and so on. The protein digestibility of fried soybean, cooked soybean and tofu is 50%, 65.5% and 90% ~ 96% respectively. It can be seen that it is better to process soybeans into bean products when eating them, which is more beneficial to the human body.