Filtering blood is reliable, filtering blood, also known as hemofiltration (hemodialysis), is mainly for patients with renal failure, uremia, and severe pancreatitis, and hemofiltration is not recommended for healthy patients. Hemodiafiltration (hemodialysis) is mainly to introduce the patient’s arterial blood into a semipermeable membrane container with good permeability comparable to that of the glomerulus, so as to achieve the effect of removing toxins, and is commonly used clinically for the treatment of renal failure, acute heart failure, acute intoxication, and severe pancreatitis, etc., through the elimination of metabolites in the blood, so as to achieve the purpose of treating the disease. Hemofiltration is a more mature technology, is more reliable, but only suitable for patients suffering from diseases that require hemofiltration, if they do not have the above diseases, it is not recommended to carry out hemofiltration, hemofiltration process may appear low blood pressure, infectious diseases, protein material loss and so on. If creatinine is found to be elevated during the physical examination, you should seek medical attention. If hemofiltration is needed, please consult a regular hospital in time, and carry out regular treatment under the guidance of a doctor to avoid adverse consequences.