If a child falls and vomits but is in good spirits, the severity of the condition can be initially determined based on the number and nature of the vomit, and if necessary, the child needs to go to the hospital for a cranial CT examination to rule out the possibility of intracranial hemorrhage and skull fracture. 1. vomit once: If the child falls and vomits only once, the vomit is stomach contents, not in the form of jets, not accompanied by other uncomfortable symptoms, and is in good spirits, without crying and fussing, the child can be closely observed at home. 2. For the time being, there is no abnormality and can be closely observed at home; 2. Large amount of vomiting: if a child vomits after a fall, if the vomiting is obvious and large and accompanied by other symptoms, such as headache, even if the mental state is good, the family should pay attention to it and go to the hospital in time to perform cranial CT and MRI examination to clarify the cause. If intracranial hemorrhage is clear, hemostatic treatment is needed according to the cause of bleeding, such as increased intracranial pressure, drugs can be used to lower intracranial pressure, coagulation dysfunction can be treated with hemostatic drugs, if necessary, fresh frozen plasma can be transfused to prevent further intracranial bleeding, if the amount of bleeding requires immediate surgical treatment; 3, jet vomiting: children fall down and vomit, although in good spirits, but jet vomiting, accompanied by headache, head Activity limitation symptoms, head CT, nuclear magnetic, X-rays suggest skull fracture, can be diagnosed as skull fracture disease, doctors will be treated according to the fracture site, severity, bleeding, such as intracranial hypertension should actively reduce intracranial pressure, can follow medical advice to use drugs to lower intracranial pressure, while the head and neck should be braked, such as neck brace, those who meet the indications for surgery should be timely surgical treatment.