There is no way to extract blood plasma directly, usually the whole blood is extracted from the body, and then the plasma is separated out. The most obvious is the lack of oxygen transport capacity of the blood, the brain is often hypoxic and dizzy, especially after eating especially serious, some may even appear anemia and shock phenomenon. But there are also many benefits of blood sampling, which can promote blood regeneration. After the total amount of blood is changed, it will cause stimulation to the hematopoietic system and promote the regeneration of blood. This phenomenon is good for the body in general, the renewal of blood can enhance the oxygen transport capacity and strengthen the body’s physical strength.