Whether peritoneal dialysis can be stopped after six months needs to be decided according to the actual condition of the patient in accordance with medical advice, and cannot be generalized. For patients with acute kidney injury, the treatment can be stopped after the kidney damage improves; for patients with chronic renal failure, long-term treatment is required and interruption of treatment is not recommended. Peritoneal dialysis mainly utilizes the patient’s own peritoneum as a semi-permeable membrane, and realizes the exchange of solutes between blood and dialysis solution by injecting dialysis solution into the abdominal cavity to remove metabolic wastes from blood, maintain electrolyte and acid-base balance, and at the same time, remove the excessive fluid, in order to achieve the purpose of treating the disease. Peritoneal dialysis mainly plays the role of removing body wastes as well as correcting the disturbance of water and electrolyte balance, and it is mainly applicable to patients with acute kidney injury, electrolyte or acid-base balance disturbance, poisoning, chronic renal failure, liver failure and other diseases. In case of acute kidney injury, electrolyte or acid-base balance disorder, poisoning and other diseases, peritoneal dialysis can be stopped when the condition is controlled and improved according to the doctor’s instructions. If seen in chronic renal failure, liver failure and other diseases, usually need to regulate long-term peritoneal dialysis under the guidance of the doctor, at this time is not recommended to stop arbitrarily. It is recommended that peritoneal dialysis patients follow the doctor’s instructions to regulate peritoneal dialysis, go to the hospital regularly for follow-up, assess the condition, and adjust the treatment program under the guidance of the doctor, do not stop without authorization, so as not to aggravate the condition.