If your baby falls backward, you can improve CT, ultrasound and other related examinations to determine whether there are internal injuries. After the baby fell backward, it may lead to intracranial injuries, including craniocerebral injuries, chest injuries, abdominal organs injuries, etc., and it is necessary to improve the relevant examinations to determine whether there are internal injuries. If you consider head injury, you can improve the CT examination of the head, to be able to determine whether there is skull fracture and intracranial hemorrhage, in addition, if you consider rib fracture, you can improve the corresponding physical examination, and improve the chest X-ray or CT examination of the chest, to be able to determine whether there is a sternal injury, if you consider the possibility of abdominal injuries, you can improve the ultrasound of abdomen, abdominal X-ray or CT, to be able to find out whether there is an injury to the abdominal cavity organs. If abdominal injury is considered, abdominal ultrasound or CT can be completed to find out whether abdominal organs are damaged. After doing the above examinations, combined with the physical examination of the baby, the diagnosis is usually clear, and then appropriate treatment can be carried out.