Seven-month-old baby fell on his head, if the mental state is good, no obvious trauma, usually not a big problem, but need to be closely observed for more than 48 hours, vigilant delayed intracranial hemorrhage. When the baby just fell on his head, if there is obvious trauma bleeding, nosebleed, or severe vomiting, violent crying, suggesting the possibility of intracranial hemorrhage, the condition is more serious, and should seek medical attention in a timely manner. Some babies have delayed intracranial hemorrhage, even if they were in good spirits when they first fell on their heads and there was no obvious hemorrhage on CT of the head, they must be closely observed for changes in their condition. In the course of observation, if the baby appears to be inactive, loss of appetite, or even lethargy, frequent vomiting, convulsions, suggesting that there may be delayed intracranial hemorrhage, should seek medical attention in time, repeat the cranial CT. In short, when the baby fell on the head, parents avoid high vigilance, if necessary, timely hospital consultation, take targeted treatment.