Usually after 3-4 months of infants have physiological requirements for sucking, will disappear with age, generally before the age of 4 years old eating hands do not need to intervene, this is one of the baby’s way of exploring the world, but if the baby after the age of 4 years old is still in the habit of eating hands, or is a serious impact on their own safety, then need to be intervened.
Children have physiological needs, there will be the habit of eating hands, this behavior will occur in hunger or bedtime, with age will disappear, usually pay attention to the baby’s hand hygiene can be.
However, if the baby after 4 years of age still have the habit of eating hands, or when the child psychologically nervous, fear anxiety, insecurity, will finger injury, then need to intervene, a long time to eat the hands will affect the teeth, gums, and jaw development, resulting in the lower jaw anteriorly convex, teeth, impeding chewing.
When a child eats hands, the attention should be distracted to other things, encourage the child to correct the bad habit, to avoid developing an inferiority complex.