It is not possible to generalize about how many times dialysis should be done in a month. The number of dialysis sessions varies from patient to patient because of different patient’s specific conditions. There is no specific data to support how many times dialysis can be done in a month, but if the economic condition permits, 3~4 sessions of perfusion will be arranged every month in general. Dialysis can partially replace some of the functions of the kidneys that are lost when renal failure occurs, such as removing metabolic wastes, toxins, excess water, etc., and thus has the effect of improving the water-electrolyte disorders and acid-base imbalance. Through diffusion, ultrafiltration and adsorption to remove excess toxins and water from the body, the choice of dialysis can be made according to the patient’s specific situation. For some severe itchy skin, difficult to control high blood pressure, severe sleep disorder, severe secondary hyperparathyroidism, uremic peripheral neuropathy, uremic encephalopathy, etc., the choice of perfusion treatment, the specific number of times of perfusion, need to be decided according to the condition. However, if the economic condition permits, usually 3~4 times per month will be arranged to do perfusion. Patients who want dialysis are advised to go to regular hospitals, consult professional doctors, and cooperate with doctors to complete laboratory tests to avoid blind treatment.