If urinary retention is diagnosed, the catheter should be placed in the hospital for the time being. 1. If you are unable to urinate due to acute infection of the prostate, it is recommended that intravenous injection of cefoxitin sodium or levofloxacin hydrochloride and other drugs be used for anti-infection treatment, after the inflammation is controlled and the edema is reduced, observe whether urination returns to normal. If you are still unable to urinate during the treatment period, temporarily give a suprapubic cystocentesis for drainage and do not leave a catheter in place, otherwise it may aggravate the edema in the urethra and lead to the spread of infection. 3. If it is a malignant tumor of the prostate, such as prostate cancer that causes inability to urinate, it is recommended to temporarily give a suprapubic cystocentesis or leave a catheter in place, and then after further clarification and confirmation of the diagnosis of prostate cancer, endocrine therapy is required, such as The patient should be treated with subcutaneous injection of goserelin acetate extended release implant and oral bicalutamide tablets.