1, first of all, before the birth of the child: (1) pregnant women should actively carry out early prenatal checkups, good perinatal care, to prevent congenital diseases in the fetus; (2) should quit bad habits, such as smoking, drinking alcohol, not abusing narcotics, sedatives and other drugs; (3) prevention of influenza, rubella and other viral infections, do not contact cats, dogs, etc.; (4) avoid contact with radiation and other harmful, toxic substances and frequent ultrasound examination. (2) When the fetus is born, i.e. during delivery. Fetal asphyxia and intracranial hemorrhage caused by childbirth is an important cause of pediatric cerebral palsy. Preterm birth and obstructed labor should be prevented. Medical personnel should carefully and meticulously handle all aspects of delivery and do all the treatments for difficult fetuses. 3.The fetus should be given better care and reasonable feeding within one month after birth, and intracranial infection and traumatic brain injury should be prevented. 4.Pregnant women with the following conditions should have prenatal checkups as early as possible: (1) older pregnant women (over 35 years old) or men over 50 years old; (2) marriage between close relatives; (3) history of unexplained miscarriage, premature birth, stillbirth and neonatal death; (4) pregnant women with mental retardation or both close relatives with epilepsy, cerebral palsy and other genetic diseases. If fetal abnormalities are detected early in pregnancy, the pregnancy should be terminated as soon as possible.