Soy protein is rich in nutrients, not only high in protein content, but also rich in eight essential amino acids required by the human body. The amino acid composition of its protein is incomparable to other proteins, and is an ideal vegetable protein. Its protein digestion and absorption rate is good, which is very similar to meat, but it will not cause obesity, cardiovascular disease, high cholesterol and other diseases like meat diet, and has obvious health care effects. And it is rich in calcium, phosphorus, iron and a variety of vitamins, especially the high content of B vitamins; it also contains essential potassium, sodium and other inorganic salts and trace elements, so it is more and more popular. There are many types of soy protein, including deodorized soy protein powder, defatted soy protein powder, soy protein concentrate, soy protein isolate, soy textured protein, etc. They have their own focus on functionality and price due to different processing techniques.