Pig’s blood has no special effects, but moderate consumption can supplement the body with iron, protein and so on, and can also provide energy for the body to a certain extent. Pig’s blood is a common food, but does not have the efficacy of the treatment of disease, should pay attention to avoid eating pig’s blood blindly. 100 grams of pig’s blood contains 85.8g of water, 12.2g of protein, 8.7mg of iron, a small amount of carbohydrates and other nutrients, moderate consumption of the above nutrients can be supplemented, but also to a certain extent, to provide energy for the body. Since pig’s blood contains cholesterol, people with dyslipidemia should avoid consuming large quantities of pig’s blood, otherwise it will increase the burden of lipid metabolism, which is not conducive to the health of the body. The general population should also avoid single consumption of pig’s blood or eating spoiled pig’s blood, so as not to cause malnutrition or diarrhea, abdominal pain and other digestive disorders. Pig’s blood is relatively rich in iron, and some people may experience a darkening of feces if they eat a lot of it, which is usually normal and not a cause for concern. It is recommended that people eat a moderate amount of cooked fresh pig’s blood, and also ensure a balanced diet with a variety of foods.