Retroperitoneal fibrosis is not curable, it is a specific type of disease often caused by abnormalities in the autoimmune system, usually due to long-term inflammation, which eventually leads to local tissue fibroplasia. After the discovery of the disease, first need to adjust the diet structure, such as try not to drink drinks containing alcohol, do not eat too spicy food, and do not eat pickled food, etc., can be appropriate intake of fresh fruits and green vegetables, appropriate intake of low-fat high-quality protein. It is also necessary to go to the hospital for regular review. If an infection is found, antibiotics should be given for treatment, sometimes hormone therapy is needed, and some patients need to use immunosuppressants. If fibrosis is found to lead to ureteral stenosis, surgery is required at this time. If it leads to narrowing of the blood vessels, surgery is also required. You will need to consult with your primary care physician for specific treatment.