The symptoms of a little pain in urination, it is recommended to go to the hospital for laboratory tests to clarify the cause, the possible causes: 1, the occurrence of urinary tract infections will appear when urination pain, at the same time may also be accompanied by urinary urgency or increased frequency of urination, etc., check the urine routine can be seen in the urine contains more white blood cells, can be confirmed that there are infections, the need to carry out anti-infective treatment. 2, the existence of urinary tract stones, but also Can appear urinary pain, especially the lower ureteral stones, can produce stone site pain, accompanied by frequent urination, urinary urgency, urinary pain and other symptoms, routine urine examination can see the presence of red blood cells, the need for further ultrasound examination of the urinary system, such as the confirmation of the existence of stones, then the pain may be caused by stones, the need for extracorporeal shockwave lithotripsy treatment. 3, localized by the extrusion, contusion, or blow, etc., the There may be penile or urethral mucous membrane contusion, pain during urination, usually have a clear history of trauma, such as urination pain after injury, then consider and local mucous membrane contusion related.