It takes several contractions to urinate before discharge is a typical symptom during urination, and is considered to be caused by prostate enlargement in men, or urinary stones, inflammatory diseases such as prostatitis. 1. The cause of prostate enlargement is currently thought to be related to aging and an imbalance in the estrogen/androgen ratio. The main symptoms include frequent urination, even urge incontinence, difficulty in urination, hesitancy in urination, and shortening of ejaculation. 2. Stones can also cause such symptoms. When stones in the lower urinary tract, such as bladder stones, are present, there will be a sudden interruption of urination or even difficulty in urination. 3. Prostatitis is mostly caused by upstream infection of the urethra. The usual causative agent is Escherichia coli. Its main symptoms mainly include urinary irritation and obstruction symptoms. Including urinary frequency and urinary pain, at the same time there will be, urinary hesitation, intermittent urinary line, and so on. Once similar symptoms appear should immediately go to the regular hospital for consultation, under the guidance of the doctor for treatment, avoid self medication.