The fact that you can’t urinate cleanly for a while and still have urine flowing out may be caused by prostatitis, prostate hyperplasia, and bladder stones and other diseases. 1. Prostatitis: the cause of prostatitis may be related to pathogen infection, sedentary, alcoholism and other factors, may also induce prostatitis. The main manifestations are frequent urination, urinary urgency, thinning and interruption of the urinary line as well as urinary retention and other symptoms. 2. Prostatic hyperplasia: The cause of prostatic hyperplasia is still unclear, and may be related to the imbalance between cell proliferation and apoptosis, growth factor neurotransmitters and other factors. Clinical symptoms are frequent urination, waiting for urination, difficulty in urination and urinary dribbling, often with a feeling of incomplete urination. 3. Bladder stones: the cause of bladder stones may be related to the kidney, ureteral stones into the bladder, obesity, urinary tract infection and other factors may also induce bladder stones. Patients will have difficulty urinating, intermittent interruption of urination and other symptoms, and some patients may not be able to urinate cleanly after a while and urine flow out of the situation. There are many reasons for not being able to urinate cleanly for a while, and it is recommended that patients seek medical examination to clarify the cause.