Check whether the baby has the following high-risk factors: 1, neonatal ischemic encephalopathy: such as fetal distress during pregnancy, the mother has severe gestational hypertension syndrome, heart disease, severe diabetes, etc., the baby has serious asphyxia during birth, intracranial hemorrhage, etc. 2, premature or low weight infants: because the brain of premature infants is not mature at birth, it is easy to be damaged during the birth process. Low-weight infants generally have delayed development in utero and may have their brain development affected. 3, pathological jaundice: general newborns have physiological jaundice, often in the third day after birth, appear, when baby jaundice after birth appear early or fade late, and jaundice is heavy, it may be pathological jaundice. Be alert to these conditions in babies: 1, more sleep or sleep after easy to startle: and, in the activity of the arms and legs shaking; easy to scream or cry, crying is not easy to soothe, the trunk limbs stiff, head and go to the trunk easy to tilt back. 2. Abnormal gaze ability: still unable to gaze or short gaze time after 2-3 months. Eye drift, unable to smile, unable to make pleasant “babbling” sounds. 3.After 3 months, still clench both fists: and hands can not open, and can not touch each other in front of the chest, can not eat hands; when crying, both upper limbs tight, bending or back to the back over; when lying down can not lift the head or lift the head for a short time, or lift the head always turn to the side, not easy to turn from side to side. Baby often do not like to lie in this position, once put down the head low hip high and cry. 4.2-3 months is too high: some babies at this time to raise the head up to 90 degrees or even higher, the body is also accompanied by backward tilting, mostly in crying. 5.Stiffness of both lower limbs: In addition to stiffness, it is also accompanied by difficulty in flexion and extension, less alternate stirring, and parents often find that the legs are not easily separated when changing diapers. Parents often find that the legs are not easily separated when changing diapers. The legs are excessively straight when standing on the bed, and the toes are stretched out on the bed. 6.Lagging motor development: 2-3 months can’t lift their heads; 4-55 months can’t reach things; 5-6 months can’t roll over; 7-8 months can’t sit; 9-10 months can’t crawl. 7. Transitional weakness: this is also abnormal performance, and then motor development is backward, accompanied by indifferent expression. No crying, no communication, not easily excited, not interested in external stimuli. Less movement of arms and legs when lying on the back, etc. 8, feeding difficulties: baby easily choke and cough when drinking water. The baby cannot make sounds such as “ah”, “dad”, “mom”, “big”, etc. 9.The baby’s head circumference is smaller than the normal development of children. Reminder: If more than two of the above phenomena occur, it is best to take your baby to the hospital for further neurological and imaging examinations. If necessary, early rehabilitation will be arranged to ensure your baby’s healthy development as much as possible.