It takes a long time to pee out, may be men prostate hyperplasia, urethral stenosis, urethral stones and other obstruction factors and lead to. 1. prostate hyperplasia:prostate hyperplasia when the gland to the urethra central protrusion caused by urethral local narrowing, at the same time can cause the extension of the posterior urethra. It is recommended that the patient consult the urology department and undergo ultrasound examination of the urinary system to observe whether he has moderate to severe prostatic hyperplasia. 2. Urethral stenosis, urethral stones, etc.: due to the presence of the above mechanical factors in the urethra, resulting in increased pressure, the pressure inside the bladder to overcome urethral resistance, the symptoms of waiting for urine, patients are often accompanied by urinary bifurcation, pain in urination, carnal hematuria and other manifestations. It is recommended to perform ultrasound of the urinary system and urethroscopy, which can further clarify the specific cause of the disease. The long wait to urinate can also be caused by other factors, it is recommended that patients go to the urology department of the regular hospital in a timely manner for treatment.