Prostatic vesicle excretion protein is normal, always urinate unsmoothly may be due to mechanical obstruction, dynamic obstruction, prostate swelling and other reasons. 1. Mechanical obstruction: Mechanical obstruction refers to the normal function of the nerves and muscles involved in urination, but there are obstructive lesions between the bladder outlet and the urethra, such as bladder tumors, urethral stenosis, prostate hyperplasia and other diseases, which will lead to obstruction of urine discharged from the bladder, thus resulting in unsmooth urination. 2. Dynamic obstruction: dynamic obstruction mainly refers to the urethra, bladder does not exist mechanical obstruction, urethral nerve, muscle abnormalities, etc. will lead to bladder force muscle weakness, spasm of the urethral sphincter, resulting in urinary incontinence. 3. prostate swelling: if the patient suffers from prostate swelling, inflammation and stimulation, then there may be patients in the urinary stimulation of the prostate gland, thus compressed to the urethra, the emergence of the situation of poor urination. It is recommended to go to the hospital for examination to clarify the cause of the disease and timely targeted treatment.