A giant baby is a newborn with a birth weight of 4,000 grams or more. Mostly, they are newborns whose mothers were over-nourished during pregnancy or whose mothers had gestational diabetes. This baby is born with an angelic face, obese and looks happy. But after birth is a high-risk baby, prone to the following risks: 1, at birth if the mother natural delivery, the baby is prone to cranial hematoma, shoulder obstructed labor can lead to clavicle fracture, arm from the nerve injury, can lead to hand mobility disorders. 2, neonatal hypoglycemia can lead to irreversible damage to the brain, affecting intellectual development. 3.Neonatal hypocalcemia can lead to convulsions. 4. Erythrocytosis can lead to intracranial hemorrhage. 5.Congenital heart disease May have septal hypertrophy, arteriovenous ductus arteriosus, etc. 6.Abnormal kidney development, etc. 7.Congenital cataract Visual impairment. 8.Neonatal hyperbilirubinemia. Therefore, after the birth of a giant baby, we should pay attention to the monitoring of blood sugar and blood calcium, the measurement of bilirubin, and the examination of cardiac ultrasound and head magnetic resonance if necessary. It is very important for mothers to control their diet during pregnancy and to monitor their blood sugar to prevent the birth of a giant baby!