Lumbar injuries are usually caused by a sudden force on the lower back that results in damage to the muscles or ligaments of the lower back, which can cause low back pain and restricted movement of the lower back, and generally do not cause abdominal pain. If abdominal pain occurs after an acute sprain, it may be caused by a herniated disc in the thoracolumbar or upper thoracic region. The herniated disc in the thoracolumbar or upper thoracic segment may compress the nerves in the lumbar and thoracic regions, which may cause the ilioinguinal nerve to become irritated, resulting in the symptom of abdominal pain. If the stomach pain after the back injury, it should be taken seriously, and we should consider whether it is accompanied by some abdominal diseases, such as appendicitis and so on. It is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.