1.Blood washing is the special biological treatment instrument, the patient’s blood for low-energy laser quantum radiation, magnetization, filled with high-pressure oxygen, so as to adjust the blood viscosity, is the prevention and treatment of cardiovascular and cerebrovascular special therapy. However, it is generally not recommended and may cause sepsis.2. The blood washing and lipid lowering method needs to lead the plasma outside the body, so if the operation is not careful, the patient may have infection, bleeding, acid-base imbalance, embolism and other complications.3. The blood washing and lipid lowering method removes low-density lipoprotein, fibrinogen and other substances from the plasma, but also inevitably removes albumin, high-density lipoprotein and immunoglobulin 4. During blood washing, patients may experience dizziness, palpitations and other symptoms because of the hemodynamic changes caused by blood washing, but because the speed of blood washing is very slow, most of these symptoms are mild.