Dialysis can be categorized into peritoneal dialysis, hemodialysis, etc. The specific duration of dialysis is related to the severity of the disease, personal tolerance and other factors. Usually, peritoneal dialysis is performed about 3 to 5 times a day; hemodialysis is performed about once every 2 to 3 days. 1. Peritoneal dialysis: Peritoneal dialysis can be divided into continuous ambulatory peritoneal dialysis and intermittent peritoneal dialysis, the former can change the dialysis solution 3-5 times a day; the latter can be performed 3-4 times a week, each time can be performed for 8-10 hours. 2. Hemodialysis: Depending on the individual’s condition, hemodialysis can be performed about 3 times a week, and each time lasts about 4 to 5 hours. Before undergoing dialysis treatment, you should complete all the examinations to clarify your condition and choose the appropriate dialysis method under the guidance of your doctor.