Pain after urination is usually seen in patients with chronic prostatitis, which is usually more common in adolescent males. The main causative factor is due to bacterial infection, or due to the reflux of urine into the prostate gland, resulting in stimulation of the prostate gland, causing aseptic inflammatory reaction. When the end of urination, due to the pelvic muscle contraction, pressure to the prostate gland, thus causing pain. Clinically, in addition to pain after urination, patients usually also show symptoms such as urinary frequency and urgency. In this case, the patient needs to perform prostate ultrasound or routine examination of prostate fluid to make a clear diagnosis. For the treatment of prostatitis, the need for drug therapy, commonly used drugs such as tamsulosin extended-release tablets, prostate Schuler and other drugs.