Determine whether the newborn touched the head after something, need to touch the specific material and the strength of the touch, and should be combined with the newborn’s systemic symptoms to analyze the following: 1, if the newborn touched something very soft, such as touching the sponge cushion or sofa, etc., it is difficult to cause damage to these soft materials. The newborn touched the head of the strength is very light, just a short side of the body caused by the collision, this situation is difficult to lead to the newborn skull hematoma, and the newborn’s mental state is relatively good, there is no violent vomiting and other symptoms; 2, the newborn touched the head of the intracranial hematoma, which touched the material is very hard, such as touching the marble plate or other hard objects, and touched by the strength of the very heavy. Newborns will be accompanied by obvious lethargy and severe vomiting, the newborns should be timely CT head, if the diagnosis of hemorrhage should be promptly remove the hematoma.