Soybean is the "king of beans". It contains a lot of protein, and is rich in lecithin, vitamin A, B 1, B2, vitamin E, nicotinic acid, choline and minerals such as calcium, phosphorus and iron. Saponins in soybean can combine with fat in human body, thus delaying the aging of the body. Phospholipids in soybeans can remove cholesterol attached to blood vessel walls to maintain blood vessel elasticity and prevent excessive accumulation of liver fat. Soybean also contains a substance called pancreatin, which has certain curative effect on diabetes.

Soybeans can also be made into bean sprouts, tofu, yuba and other bean products. Soybean becomes soybean sprouts, and many original nutrients are greatly increased. For example, vitamin B2 increased 2-4 times, carotene increased 2-3 times, and vitamin B 12 increased 10 times or more. And a lot of vitamin C is added. Ideally, soybean sprouts do not contain cholesterol. Chlorophyll in soybean sprouts can prevent and treat rectal cancer and other cancers.

Tofu made from soybeans has extremely high nutritional value. Contains all kinds of nutrients needed by human body. In particular, protein contains eight essential amino acids which cannot be synthesized by human body, and its digestibility can reach 92% ~ 96%. This is a nutritious and digestible food. It can promote children's development and fitness for the elderly.