Pig's blood cannot be eaten in excess. If consumed in excess, it can cause iron poisoning and affect the absorption of other minerals. So unless the special needs of the population, it is recommended to eat no more than 2 times a week. Another: blood in addition with the pig body's basic metabolic waste, a lot of taking will also give the body stress (including growth hormones, medicines, urea solution, etc.). Since pig's blood is rich in various nutrients such as iron, calcium, zinc, copper, etc., eating pig's blood in daily life can help to improve the body's nutrients and strengthen the body. Eating pig's blood on the human body's benefits it is indisputable, but in which the disadvantages should also cause attention.