Paroxysmal pain in the abdomen, may be related to the digestive tract, urinary diseases, tubal inflammation, etc., as follows: 1, digestive tract: for the most important reasons, such as digestive tract spasm, inflammation can be caused. Occurrence of abdominal pain before the intake of unclean, cold and allergy-causing food, the pain symptoms of such patients can generally be relieved through the stool; 2, the urinary system: such as urethral stones, bladder infections can be caused by the presence of hematuria or stinging pain during urination, generally cloudy urine; 3, tubal inflammation: some female patients with abdominal paroxysms, can be caused by inflammation of the fallopian tubes and pelvic inflammatory disease, generally hidden pain. The enlargement of the cysts of the ovary and the rupture of the corpus luteum can also cause pain in the abdomen; 4, roundworms: this is a rare case, which will recur, and the patients are usually thin. When the pain in the abdomen, can be observed through ultrasound with or without ureteral stones, tubal effusion, tubal inflammation, pelvic peripheral inflammation. You can also find a doctor to identify the cause of abdominal pain by taking a medical history, physical examination, and with the appropriate instrumentation, you can usually find the cause of abdominal pain.