Little babies around 2 months old like to eat their hands this is a very normal physiological phenomenon, indicating that the nervous system is developing normally. After the birth of the baby to adapt to this new environment, to explore this new environment, only 2 months of the baby is mainly through the mouth, tongue and lips to explore the new things that can be touched. Because the development of the nervous system follows the law from top to bottom, from the center to the periphery, the baby’s hands are not yet sensitive to touch, while the oral cavity of the sensory system is very sensitive, in addition to feeling the taste, but also feel the hardness of new things in contact with the hardness of the new things, temperature and so on. In short, baby eating hands is a process of development. Babies like to eat hands should also pay attention to the following aspects: 1, to maintain hand hygiene; 2, eating hands is easy to drool, pay attention to the care of the skin around the mouth; 3, with the baby’s age, to gradually shift the attention to other things so as to reduce the number of eating hands, because of teething, eating hands affects the development of teeth.