Blood purification is mainly used as an auxiliary treatment for poisoning or liver and kidney function damage, which can help the body to expel blood toxins, regulate metabolic disorders and remove inflammatory factors. 1. Discharge of blood toxins: If food poisoning occurs, it will penetrate into the blood through the mucous membrane, and if it cannot be removed in time, with the blood circulation, it may lead to the death of human body, blood purification can remove the toxins in the blood to ensure the cleanliness of the blood and safety of the body’s tissues and organs. 2. Regulate metabolic disorders: If the body has serious internal environmental disorders, blood purification can normalize the electrolyte-acid-base balance and ensure that the body gradually tends to a healthy state. 3. Removing inflammatory factors: if the body has serious systemic inflammation, the treatment may be slow and unsatisfactory with medication, through blood purification, the inflammatory factors can be removed efficiently to achieve the therapeutic effect. In addition, blood purification can replace and assist the function of liver and kidney to maintain the metabolic cycle of the body.