Children with brain injury will show some abnormalities in the early stage, which can be detected by careful observation. If abnormalities appear, go to the hospital for relevant examination in time. Common early abnormal manifestations Difficulty in breastfeeding: easy to choke and cough on milk, weakness in sucking; Weak cry: little crying, small cry; Little spontaneous movement: little activity, soft limbs; Hypotonia or increased muscle tone: limbs are soft or especially stiff, difficult to separate legs when suffering from diapers; Neonatal spasms: easy to jump with fright, screaming or irritability, convulsions.