The cause of urinary divergence may be normal physiological reasons, but also may be caused by prostatitis or prostate hyperplasia. Physiological factors are mainly after drinking alcohol prostate congestion, erectile state urethra pressure, after sex prostate and spongy congestion has not completely subsided in the case of urination will appear urination, urinary divergence of the situation. Prostatitis often occurs in young and middle-aged men, due to inflammation stimulation will cause the prostate gland congestion, swelling, it may cause urinary divergence, frequent urination and other symptoms. When the patient has prostate hyperplasia, the enlarged gland will cause pressure on the urethral lumen, which may cause urinary diversion, and some patients are also accompanied by urinary difficulties, urinary frequency and other symptoms, which can lead to urinary retention in severe cases. When the patient has symptoms of urinary diversion, should go to the hospital in time for consultation, clear cause of the disease under the guidance of a professional doctor for drug treatment, to avoid improper use of drugs and cause adverse reactions.