The main causes of recurrent abdominal infections include mismanagement and intestinal diseases. Some studies have shown that the causes of repeated abdominal infections can specifically include mismanagement, failure to wear a mask, intestinal diseases, catheter exit infections, failure to take ultraviolet light, diabetes mellitus, malnutrition, and so on. Misconduct is generally the main cause, and it has been reported that washing hands before operation can significantly reduce the chance of exposure to contamination, so it is important for healthcare workers to follow the principle of strict asepsis during operation. In addition, any disease that can lead to an increase in intestinal permeability, such as diarrhea and diverticulitis, can also lead to the occurrence of recurrent infections, the main clinical manifestations of abdominal pain, fever, nausea, turbidity of the drainage fluid, poor drainage. For peritoneal dialysis patients, the awareness of aseptic operation should be strengthened, including hand cleaning, environmental disinfection, etc., to avoid recurrent infections.