Faba beans (Latin: Vicia faba? L.), also known as Luohan beans, peas, southern beans, vertical beans, Buddha beans, are an annual herb of the Fabaceae family. It is a dual-purpose crop for grain, vegetables, feed, and green manure. It is native to the Mediterranean coast of Europe, from southwest Asia to North Africa. It is said that Zhang Qian of the Western Han Dynasty introduced it to the Central Plains from the Western Regions. Broad beans are rich in nutritional value and contain 8 essential amino acids. The carbohydrate content is 47% to 60%. It is edible and can also be used as feed, green manure and nectar plant cultivation. It is a dual-purpose crop for grain, vegetables, feed, and green manure.