The reasons why newborns are slow to drink milk are as follows: 1. Insufficient amount of milk: babies who are breastfed, if the mother does not have enough milk and is not full, and wants to eat milk all the time, will have the phenomenon of slow milk consumption. 2. Pacifier hole too small: babies who drink milk powder, if the pacifier hole is too small, sucking is laborious, after eating milk for a while and feeling fatigue, they will stop and rest, and then continue to eat, showing the phenomenon of slow milk consumption. 3. Newborns Like to be held: Parents do not feed on time and on demand, as long as the baby cries, they think they are hungry and feed, the baby does not feel hungry, but they like the feeling of being held in the arms of the mother to eat milk, so they drink milk more slowly. 4. Physiological needs: The baby is already full, but just craves the mother’s nipple or pacifier, because before six months there is a non-starvation sucking demand, inherent. 5. Disease reasons: The baby May have heart disease, due to weakness, stop eating a few mouthfuls and then proceed to eat, there will be a slow drinking milk situation.