Generally three months baby eating hands is not need to stop, usually eating hands represents the baby’s brain is developing. Three months if the baby appeared to eat hands, on behalf of the baby’s brain to get a certain degree of development, through the way to eat hands to meet the curiosity of the outside world, at the same time eating hands can also give the baby a certain sense of security, parents do not have to extra to stop the baby to eat hands. Babies often eat hands, need to pay attention to the baby’s hand cleanliness and hygiene, cut nails diligently to avoid scratches and so on. On the premise of not affecting growth and development as well as breastfeeding, there is no need for additional intervention. Baby’s hand eating habit will develop with the age of the month, slowly will disappear, if the baby continues not to disappear, it is recommended to seek medical attention in time.