The protein in soybean is one of the varieties with the highest protein content in the plant, which belongs to "high quality protein". The results showed that the essential amino acid composition of soybean protein was suitable for human body. In 1999, the U.S. food and drug administration (FDA) issued a statement stating that consuming 25 grams of soy protein per day reduces the risk of cardiovascular and cerebrovascular disease. Modern people need food that is healthy, tasty and nutritious. Among the existing food groups, the crop with the above conditions and abundant raw materials is soybean. Food made with soy protein is praised as "green food" by nutritionists.

In 1982, many scientists in Italy and Switzerland, soy protein in alternative animal protein in patients with high cholesterol contrast experiment, the results prove that absorb 50 grams of soy protein a day, the amount of plasma total cholesterol fell by 20%, the study proves that soy protein can lower cholesterol in patients with blood fat and cholesterol to the adverse effect of the heart. According to the dietary survey of a large number of people, 52% of them were eating foods made with soy protein, and 38% were also happy to accept foods containing soy protein.