If you can’t urinate, you need to go to the hospital for a medical examination to clarify the reason why you can’t urinate and to take symptomatic measures. First, if acute urethritis and acute cystitis occur, the urethral mucosa and bladder mucosa become acutely congested and edematous, and the symptoms of difficulty in urination appear. Then it is recommended to use anti-infective drug treatment, you can intravenous infusion of levofloxacin hydrochloride injection 200mg, intravenous drip once a day. And take one capsule of diclofenac sodium orally once a day for three days, and observe whether the symptoms of urination are relieved. Second, if you are a male and over 45 years of age, you may be in the stage of prostate enlargement progressing to urinary retention, and you need to have a prostate ultrasound and residual urine measurement. If it is confirmed that there is prostate hypertrophy with urine retention and excessive residual urine, an indwelling catheter is temporarily given, followed by oral prostate enlargement medication, or prostate surgery to restore its normal urination. Thirdly, if there are urethral stones obstructing the urethra, causing the patient to be unable to urinate, it is recommended that urethroscopy be performed to lithotripsy or lithotripsy to remove the stones, and urination can be restored to normal.