Green beans is one of the often eaten mixed beans, carbohydrate is about 50%, that is, sugar in about 50%, than often eaten rice, flour its sugar content to be lower, and the dietary fiber content of green beans is relatively high, more beneficial to the body, but also rich in vitamins, minerals and so on. Therefore, mung beans are recommended as one of the better, practical and nutritious grains. And from a nutritional point of view, in addition to sugar, mung beans are rich in protein, carbohydrates, fat, calcium ions, etc., which can increase the strength of the bones, reduce the twitching of the limbs caused by calciumemia, can enhance the immunity of the body, and play the role of iron and blood supplementation. It can also whiten the skin and play a role in clearing heat and detoxification.