If you can’t urinate frequently, it is recommended that you go to the hospital for relevant tests to clarify the possible causes: First, if you are a man aged >60 years old, you should consider prostate enlargement combined with urinary retention, when the patient has a large amount of urine filling the bladder, because the prostate gland blocks the urethra and does not urinate well, it will cause repeated urination but can’t urinate out, it is recommended to go to the hospital for prostate and bladder residual urine The first is the measurement of the prostate and bladder residual urine to further clarify. Second, urethral stones, urethral stones cause complete obstruction of the urethra, which can cause a patient to have a strong desire to urinate, frequent urination but unable to urinate. It can also be accompanied by bleeding in the urethra and pain in the urethra, which requires urethroscopy to clarify. Thirdly, infection of the urinary system causes congestion and edema of the mucous membrane of the urinary tract and increases sensitivity, so that the presence of a small amount of urine can stimulate a strong sense of urination.