To determine whether a newborn will become stupid if it hits its head, it needs to be analyzed according to the specific situation: 1, minor head injury: often seen in newborns hitting their heads to a relatively minor degree, and no crying and restlessness, intracranial hemorrhage and other symptoms, is not affected by the intellectual development. Parents do not need to worry too much, just need to give the newborn appropriate care, such as hematoma of the scalp, swelling treatment, skin rupture, the need for timely stitches; 2, serious head injury: often seen in the newborn head impact force is relatively large, there is a large intracranial hemorrhage, so that the intracranial pressure increases, will squeeze the brain tissue, brain tissue and brain nerve irreversible damage later, intelligence will significantly After irreversible damage to brain tissue and brain nerves, intelligence will be significantly reduced, thus becoming stupid.