Pregnant women who are hungry, a short period of time may lead to hypoglycemia, serious fetal death in the womb, long-term starvation may lead to poor fetal growth. Pregnant women who are hungry, if hypoglycemia occurs, serious cases may lead to placental abruption, fetal death in utero. Long-term starvation, the circulation of nutrients is reduced, and the fetus will have malnutrition, growth restriction and so on. However, pregnant women should not be over-nourished, otherwise it may also lead to the occurrence of giant babies, resulting in the baby’s future chances of diabetes, cardiovascular system diseases, etc. significantly increased. Pregnant women should avoid starvation resulting in malnutrition of mother and fetus, generally advocate a small number of meals, to avoid causing blood sugar fluctuations, affecting the health of the fetus.