If an 82-year-old person has entered the uremic phase, there is no contraindication to recommend dialysis for kidney replacement therapy. This includes hemodialysis and peritoneal dialysis. Hemodialysis is mainly for patients with uremia. Patients in the uremic phase have lost the function of the kidneys, water and toxins can not be effectively excreted, patients will have heart failure, loss of appetite, nausea, vomiting and other symptoms, serious death may occur, the need to find a method of renal replacement therapy, hemodialysis is currently the most commonly applied method. Although the patient is relatively old at 82 years old, hemodialysis treatment still needs to be given if he has entered the uremic phase. If the patient is considered older and may also have hypertension and heart disease, peritoneal dialysis treatment may be an option. Compared to hemodialysis, peritoneal dialysis has less cardiovascular impact and blood pressure does not fluctuate much. If an elderly person has serious comorbidities that contraindicate dialysis or is terminally ill due to malignant disease, dialysis is of limited value in improving the prognosis and conservative treatment can be chosen at this time.