Fava beans, also known as beans, is mankind's oldest edible legume crop. Fava beans are rich in nutrients, fava bean seeds are rich in protein average of 30 percent, is second only to soybeans in the legumes of high protein crops. Vitamin content than rice and wheat, the fat content of 1.5 percent of 88.6 percent of unsaturated fatty acids and 11.4 percent of saturated fatty acids. Also contains 48.5 percent of carbohydrates, per 100 grams of broad bean seeds also contain vitamin B10.39 mg, vitamin B20.27 mg. Fava beans can not only be used as food, but also an important food, fresh and tender fava beans, seeds containing 12% protein, 0.6% fat, 15.4% carbohydrates, minerals 1.9%, especially rich in a variety of vitamin components, is a vegetable delicacy. Fava beans are also important medicinal herbs, the main function is to strengthen the spleen to remove dampness, laxative and cool blood. Fava bean seeds, stems, leaves, flowers, pod shells, seed coat can be used as medicine. Fava bean pods, leaves are hemostatic drugs, flowers can lower blood pressure.