Fava beans are rich in nutritional value, rich in protein, carbohydrates, dietary fiber and a variety of minerals. Fava beans belong to the legume family, wild pea genus, is a common food in daily life. Its protein content of 25% -35%, per 100g of beans in the carbohydrate 59.8g, dietary fiber 1.7g, but also contains a variety of minerals, such as calcium 31mg, iron 8.2mg, phosphorus 418mg, sodium 86mg, magnesium 57mg, potassium 1117mg and so on. Moderate consumption of fava beans can be supplemented for the human body part of the nutrients needed, to a certain extent, to maintain the normal physiological function of the body, has a certain nutritional value. Most people can eat a moderate amount of broad beans, but for the broad bean allergy, hereditary hemoglobin deficiency and serotonin disease should be prohibited from consumption, so as not to induce allergies or other serious effects. Fava beans should be consumed in moderation to avoid causing gastrointestinal reactions such as bloating and diarrhea. Daily diet to ensure food diversity, nutritional balance.