If a young man has frequent urination, urinary symptoms, need to consider is suffering from urethritis and prostatitis is more likely, need to do urine routine examination. Urine routine suggests that white blood cells are significantly elevated, considering that the patient’s urethritis or cystitis, in this case it is recommended that timely anti-inflammatory treatment, you can take oral levofloxacin tablets or cephalosporin antibiotics for treatment. Urine routine is normal to consider the possibility of prostatitis, the need for further routine examination of prostate fluid. Prostate fluid routine suggests that the lecithin microsomes are reduced with elevated white blood cells, then need to consider the bacterial prostatitis. In this case, we need to further do prostate fluid culture and drug sensitivity, according to the results of the drug sensitivity test, choose sensitive antibiotics for treatment. Elderly men with frequent urination, dysuria, need to consider the possibility of prostate hyperplasia, prostate cancer, need to do ultrasound, CT, rectal fingerprinting, prostate specific antigen, etc., and if necessary, also need to do prostate puncture biopsy and other clear diagnosis.