If the head is broken, it is necessary to go to the hospital for examination to see if the wound needs to be cleared and sutured and tetanus injected. If it is not broken, first observe the mental state of the child to see if there is nausea, vomiting, poor spirit, always want to sleep, affecting breastfeeding and other manifestations, and in severe cases, there may be shaking of the limbs, convulsions, fever and convulsions. If the above symptoms occur, it is recommended to go to the hospital for cranial CT examination to exclude intracranial hemorrhage and skull fracture. If not, you can observe at home by yourself for 48-72 hours. If there is a bag on the head, consider scalp hematoma, hematoma large scope need to go to the hospital to puncture and draw fluid, pressure bandage, so that the absorption is fast. If the hematoma is small, you can observe it at home, apply cold compresses in the early stage and hot compresses in the later stage, and wait for it to absorb by itself. During the observation period, pay attention to avoid violent crying, avoid strenuous activities, and take a light diet.