Newborns eating hands is not good, although newborns eating hands has a certain psychological comfort role, and some newborns are hungry, parents did not feed in a timely manner, there will be the case of eating hands, very common, but newborns eating hands can cause adverse reactions, so eating hands is not good. First, newborns eating hands can lead to oral infections, because there is bacterial growth in the hands, no timely hand washing newborns directly eat hands, it will lead to inflammation inside the mouth, thus causing mouth sores. Second, affect the development of the newborn’s teeth, if often eat hands, in the teeth erupted easily lead to crooked teeth and so on.