1 can improve people's memory. This is because pig blood is rich in phospholipids, which can enhance the memory of young people and prevent Alzheimer's disease in the elderly.

2, can prevent anemia. This is because pig blood is rich in iron and heme iron, which is beneficial to patients' absorption. Pregnant women, the elderly and lactating women can eat more pig blood appropriately, which can play a good role in enriching blood.

3. Pig blood is rich in trace elements, which can prevent cancer to a certain extent.

It can help prevent arteriosclerosis and treat malnutrition and cardiovascular diseases. To sum up, eating more pig blood has many benefits. In daily life, we should pay attention to the diversity of food intake and the richness of nutrition.