Broad beans are one of the important edible beans in legume vegetables, suitable for stir-frying or making cold dishes, and can also be made into various small snacks, being a common food.Broad beans contain a large amount of protein, second only to soybeans among daily consumed legumes, and also contain significant amounts of calcium, potassium, magnesium, vitamin C, etc. Moreover, the amino acid types are relatively complete, especially rich in lysine content.