Hand eating in two-month-old babies is usually the result of neurological development and curiosity development. 1. Nervous system development: babies’ eye and hand coordination will also be further developed by two months. The fact that a two-month-old baby will eat his fingers shows that his central nervous system has developed better, his eye and hand coordination is better, and he is able to accurately put his fingers into his mouth and suck on them. 2. Curiosity: two-month-old babies eat their hands, sometimes not because of hunger, but because the baby’s curiosity begins to develop, to recognize the fingers, such as through eating the fingers to sense the shape of the fingers, the temperature and so on. There may be other reasons for two-month-old babies to eat their hands, if there has been no improvement or accompanied by other symptoms, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.