Nausea and vomiting on the day of head fall of 7-year-old child, headache, nausea, tiredness and sleepiness a few days later may be related to delayed intracranial hemorrhage, intracranial infection and other factors. It is recommended that the patient go to the hospital in time to improve the relevant examination. 1. Delayed intracranial hemorrhage: symptoms of brain hemorrhage can be seen a few days or weeks after trauma. Furosemide, glyceryl fructose, mannitol and other drugs can be used for treatment, and the patient’s vital signs can be strictly monitored, and emergency surgery is needed if necessary. 2. Intracranial infection: after head trauma, the wound is infected and causes intracranial infection. Lumbar puncture, cerebrospinal fluid culture and other tests can be perfected, generally empirical use of antibiotics such as meropenem anti-infection, after the results of the culture of vancomycin and other drugs to control the infection as prescribed by the doctor. If the baby has the situation described, it is recommended that the patient go to the hospital in a timely manner to improve the relevant CT, MRI and other examinations, and under the guidance of the doctor for treatment. If you need to use drugs, you need to use under the guidance of a doctor.