Most erections that discharge prostate fluid are not harmful, but may cause discomfort if caused by pathologic factors. In young and middle-aged men, androgen production is high and prostate secretion is relatively strong, so discharge of prostate fluid may occur during erection. If the discharge of prostate fluid is accompanied by symptoms of urinary discomfort and pain in the area near the perineum, it may be chronic prostatitis. The patient should go to the hospital immediately for examination. This includes rectal fingerprinting, examination of prostate fluid, and so on. Treatment mainly includes the selection of some antibacterial drugs, often quinolone, ofloxacin and so on. At the same time, attention should be paid to active bed rest, warm water sitz bath, moderate drinking water and so on. If the simple penis erection discharge prostate fluid is usually not harmful, if accompanied by other uncomfortable symptoms, to go to the hospital in time for diagnosis and treatment.