First, Chinese medicine preaches that what is lacking in what to make up for, lack of blood should eat some blood. The most common and cheapest in daily life and has a good function of blood is pig’s blood. Pig’s blood is also called pig red, that is, pig’s blood. It is rich in vitamin B2, vitamin C, protein, iron, phosphorus, calcium, niacin and other nutrients. Because pig’s blood is rich in iron, it has an improving effect on those who are pale due to anemia. Especially women and children often iron deficiency helps. Secondly, usually eat more animal liver, angelica, Colla Corii Asini, peanut rice, jujube, brown sugar and so on, all of which can alleviate the phenomenon of ischemia.