Ureteral stenosis urine reduction, mainly to surgical treatment, the emergence of infection, the use of drugs for anti-infection. 1. Surgical treatment: ureteral stent placement, can be timely and effective urinary tract decompression, relieve the symptoms of urinary tract obstruction. Percutaneous nephrolithotomy is suitable for patients who have difficulty in placing ureteral stents. Other surgical methods include ureteral stenosis segmental resection and end-to-end anastomosis. 2. Drug therapy: there are some differences between individual patients, the following drugs are recommended to be used under the guidance of a doctor. Ureteral stenosis causing urinary tract obstruction, combined with infection can be treated with drugs such as cefuroxime, cefazoxime, fluoroquinolone, etc., and according to the results of drug sensitivity, choose sensitive antibiotics for treatment. When ureteral stenosis with decreased urine is found, it is recommended that patients go to the hospital in time to clarify the cause of the disease and then be treated under the guidance of the doctor.