Whenever parents see their baby eating fingers will take his fingers out of his mouth, because eating fingers is not hygienic, but parents you understand the meaning of baby eating fingers? The following author will list the meaning of finger eating for babies of all ages: a. 2-3 months after the baby 2-3 months after the baby will begin to appear hand movements, he tends to wave his arms and this big “toy” play with joy. When the baby can really put his hand in the mouth to chew, it means that the baby’s motor muscle groups and muscle control have been coordinated with each other. This is a signal of the baby’s intellectual development, mom and dad should be proud of this baby’s actions. The 4-5 month old baby’s hand eating is a sign of perceptual development, they are grabbing what they can and sending it to their mouth, intra-oral exploration is good for the development of baby’s perception. Mothers can play games with their babies, put the toys that interest them in places where they can get them by themselves, and consciously let them get them to train their hand dexterity and exercise their hand-eye coordination. Third, 5-12 months old babies 5-12 months old babies eat their hands to relieve teething pain, they get soothed by biting their fingers, mothers can prepare a teether or teething stick for their babies to achieve the effect of gently massaging their gums. When babies appear to eat fingers like this action, mothers should not be too worried anxious, more correct guidance baby can be. Four, 1-2 years old children 1-2 years old children eat hands need guidance, they may be through eating hands to seek a sense of security, do not reprimand criticism of children, but with a relaxed and warm family atmosphere and play toys to guide the child. After 2-3 years old, this phenomenon is greatly reduced, but some children will still suck their fingers when they are hungry, lonely, bored, anxious, in pain or not feeling well. If this behavior is found by chance or does not last long, it is normal and will gradually disappear as the child gets older. However, if the child still sucks his or her fingers for fun as he or she grows older, this indicates a behavioral drift. If this undesirable behavior is not corrected in time, then the undesirable behavior will be fixed and a stubborn habit will be formed.