If a 3-year-old baby falls and lands on the back of his head, it is recommended to seek immediate medical attention and follow the doctor’s instructions for observation and follow-up, medication, and surgical treatment. 1. Observation and follow-up: If there is no obvious abnormality after perfecting cranial CT, cranial MRI and other examinations, the neurological performance can be followed up dynamically according to the doctor’s instructions. 2. Drug treatment: If the baby has cerebral edema, vomiting, poor mental response, bleeding, follow the doctor’s instructions to stop bleeding and reduce cranial pressure, such as the use of mannitol. 3. Surgical treatment: if you consider the existence of scalp hematoma, intracranial hemorrhage, etc., by the doctor to assess the feasibility of surgical treatment. After a 3-year-old baby falls and hits his head on the ground, he needs to seek medical attention immediately, and at the same time pay close attention to the baby’s mental reaction, and actively cooperate with the treatment. Medications should be used under medical supervision.