The high head of the infant may be related to the extrusion of the birth canal, improper sleeping position, and cranial hematoma. 1. Extrusion of the birth canal, if the birth canal is extruded during labor, it may lead to compression of the infant’s skull, so this symptom will appear. 2. Improper sleeping position, if you don’t pay attention to the sleeping position, often keep a position not moving, may lead to local compression, the shape of the top of the head changes, so this symptom may appear. 3. Cephalohematoma: Cephalohematoma in babies due to various factors can also lead to the appearance of a fluid mass in the head of the baby, which can also lead to the high top of the baby’s head. If there are obvious symptoms appearing, affecting the baby’s aesthetic appearance, it is recommended to actively seek medical examination and treatment, and follow the doctor’s instructions to be targeted treatment.