Perineal swelling discomfort after urinating white liquid can be considered to be prostatitis, urethritis caused by secretion of prostatic fluid, paraurethral gland secretion, etc., it is recommended that further examination. Clinically, the first thing to consider in the case of perineal discomfort and white fluid after urination is that chronic prostatitis is the cause of posturinary dribbling. Mostly in sexually active young and middle-aged male patients, the prostate gland because of inflammation under the stimulation of swelling, prostate fluid secretion, at the same time will press the urethra appear perineum lower abdominal swelling, hidden pain discomfort, scrotum moisture, frequent urination, urine dripping white and so on. In addition, if there is urethritis and other urinary tract infections, it will lead to an increase in secretions in the paravaginal glands, and after urination these secretions will be discharged with the urethra, and white fluid can also be seen. Therefore, it is recommended to go to the hospital in time to perform prostate fluid, urine routine and other tests to clarify the diagnosis.