Soybean is rich in nutrients, including a lot of protein, fat, dietary fiber, carbohydrates, vitamin A, carotene and many minerals. Among them, the fat content of soybean is higher than many other kinds of vegetables, but its fat is mainly unsaturated fatty acids, such as linoleic acid and linolenic acid, which can improve fat metabolism and help reduce the triglyceride and cholesterol content in human body. In addition, soybean also contains lecithin, which can improve the memory and intelligence level of the brain and is of great benefit to the body.