The baby simply does not recognize the baby can not be said to be unintelligent performance, but also combined with other aspects of manifestation, such as fine ability, language, etc. Most of them will recognize the baby around 7 months of age, at the same time, we should also observe whether the baby has the consciousness of active grasping of objects with both hands, can reach for distant things, whether they can understand their own names, can recognize their relatives, see people will take the initiative to smile, etc. Combine this with the presence of high-risk factors before, during or after birth, such as prematurity, low birth weight, hypoxic-ischemic encephalopathy, hypoglycemia, multiple births, etc. If there are any of the above manifestations and medical history, take your baby to the pediatric rehabilitation department for evaluation and give necessary early intervention and rehabilitation treatment if there are any abnormalities.