· It applies to the peritoneal dialysis treatment of patients with chronic renal failure. With low medical cost, it is simple to operate and convenient for popularization and application. After training, patients can complete the treatment at home alone, without the aid of any nurses. They only require regular outpatient reexamination. It can reduce the risk of cross-infection, with little impact on normal work and life. With relatively low cost, continuous ambulatory peritoneal dialysis (CAPD) does not require special medical equipment.

· Low-calcium peritoneal dialysis fluid and ordinary peritoneal dialysis fluid are different in calcium concentration, effect, and indication. The appropriate peritoneal dialysis fluid should be selected for treatment according to the actual situation.