The main complications of peritoneal dialysis are as follows: 1, infection: such as surgery or peritoneal dialysis fluid exchange when aseptic operation is not strict, resulting in pathogens, such as bacteria, fungi, etc. into the abdominal cavity. Bacterial infections require effective antibiotic treatment, and general fungal infections require immediate removal of the dialysis tubing; 2, floating tubing or pipeline displacement: caused by the patient’s constipation or inappropriate activities, which can affect the peritoneal dialysis in and out of the fluid, affecting the effect of abdominal dialysis; 3, malnutrition: caused by the body’s protein, vitamins and other substances excreted with the dialysis fluid, there can be hypoproteinemia, anemia, decreased hematocrit and other manifestations; 4, other: such as peritoneal The small hole at the tip of the dialysis tubing is blocked or the peritoneal dialysis tubing is broken outside the lumen, which requires surgical or ultrasound-guided medical treatment.