Headaches in children who have fallen on their heads may be caused by subcutaneous head injuries or intracranial injuries caused by hitting their heads when they fall. When a child’s head is hit, it is easy to cause subcutaneous bleeding of the head, mainly because the capillaries under the skin have been damaged and ruptured to cause pain. If the child has dizziness, nausea, vomiting, convulsions and limb inflexibility in addition to pain after hitting his head, it is likely that there is intracranial injury, such as intracranial hemorrhage, etc., and it is easy to go into a coma in serious cases. If the child falls, has been saying headache, it is recommended to go to the hospital in time to avoid delayed condition, increase the difficulty of treatment.