Intermittent urination, the possible causes: 1, bladder stones, when the presence of stones in the bladder, the urination process stones can move with the urine, blocking the urethral opening and the phenomenon of interrupted urination, change position, the stone left the urethral opening position and can be normal urination, which may be accompanied by hematuria or urination, mild pain, etc.. It is recommended that further urinary ultrasound examination, to rule out the existence of bladder stones. 2, severe prostatic hyperplasia, when there is prostatic hyperplasia, glandular hyperplasia oppression of the urethra, resulting in increased urethral pressure, then need to overcome the increased urethral pressure, it will be difficult to urinate; and with the decrease in urine volume, the pressure of the bladder decreases, there will be intermittent or dribbling urination. A urinary ultrasound is needed to find out if there is severe prostatic hyperplasia.