Very low birth weight (VLBW) babies are mainly those weighing less than 1,500g at birth, and often occur in preterm babies. During the fetal stage, i.e. from 8 to 38 weeks of pregnancy, the mother’s malnutrition, the mother’s illness, or the mother’s bad hobbies may lead to the developmental retardation of the fetus, and the child is born with a low birth weight. Very low birth weight babies are born with little subcutaneous fat, weak respiratory function, thin body shape, loose skin and wrinkles. At this time, they need to be put into the incubator promptly for treatment to prevent infection and disease. Mothers should have balanced nutrition during pregnancy, and should consult their doctors for specific dietary advice, and take reasonable meals to ensure comprehensive and balanced nutrition. The most effective way to prevent very low birth weight babies is to go to the hospital for checkups before pregnancy, and once pregnant, to have regular prenatal checkups as early as possible to ensure full-term births.