REN and Peritoneal Fibrosis: Based on the above-related precipitating factors in the final treatment, the proposed peritoneal fibrosis treatments mainly include the use of biocompatible dialysate, tyrosine kinase inhibitors, inflammatory factor blockers, renin-angiotensin system inhibitors, and immunosuppressants, but most of these are still being studied in animal experiments or early clinical studies and are not widely used in clinical practice.