Women eat black beans in moderation is not bad, but can also supplement the body needs some of the nutrients, but blind overconsumption may cause gastrointestinal burden, resulting in bloating and other gastrointestinal discomfort. Black beans contain protein, riboflavin, selenium, magnesium and other nutrients, generally per 100 grams of black beans contain 36.0g of protein, 0.33mg of riboflavin, 6.80μg of selenium, 243mg of magnesium, eaten in moderation can be very good to replenish the nutrients that the body needs. Black beans in a certain nutritional value, but excessive consumption may cause gastrointestinal discomfort, it is recommended that women should eat black beans in moderation to ensure food diversity.