Baby’s head shape correction is best within 3 months of birth, because during this period the skull and cranial suture are not completely closed, the bone quality is soft, the head develops faster and the plasticity is stronger. Within 3 months, babies can first correct their head shape by adjusting their sleeping posture and avoid sleeping on one side, otherwise the pressure on only one side of the head may lead to head deformity. If the baby’s head deformity is heavy, you can choose to shape the helmet, according to the baby’s ideal head measurement production, so that the protruding part no longer grows, and let the flat place have more space to grow, through the helmet to apply different pressure on each part of the skull, so that the baby according to this shaped helmet natural correction of head shape, but the helmet must be directed by a physician to measure the head custom-made. With the growth of the baby’s age and bone development, the correction of the head shape will gradually become difficult, so the head shape correction must be done before it is too late, grasp the best time within 3 months of birth.