Have urine to urethra sluggish, urine is not fluent, the main consideration with urethral stenosis, urethral polyps, urethral stones and tumor disease and so on. 1. Urethral stenosis: congenital urethral stenosis, or inflammatory stimulation, resulting in urethral congestion, redness and swelling, can also cause urethral stenosis, which in turn triggers the urethral opening to urinate sluggish and not smooth. 2. urethral polyps: polyps near the urethral opening can cause pressure on the urethral opening, and then this phenomenon. 3. Urethral stones: some small stones enter the urethra along with urine, which may have some influence on urination and then the symptoms of slow and unsmooth urination appear. 4. Tumor disease: tumor in the urethra and nearby tissues can also form pressure on the urethra, triggering the symptom of slow and unsmooth urination. To summarize, the appearance of such symptoms may also be related to other factors. It is important to consult a doctor in time to confirm the diagnosis and treat the cause of the disease.