For children within the age of one week to eat hands is generally a normal physiological phenomenon, for the age of one week and frequent hand eating is mainly the child to develop the bad habit of eating hands. 1. Normal physiological phenomenon: children within the age of eating hands is a signal of the child’s intellectual development, meaning that he has entered the finger function differentiation and hand-eye coordination preparation stage. Generally two or three months old, the child will gradually learn to suck their fingers. At this time, finger sucking is both play and learning. 2. Bad habits: children outside the age of one year need to be concerned about frequent finger sucking, may have developed bad habits, can be soothed, given toys and other ways to divert the child’s attention, so as to avoid causing finger peeling, swelling and infection. Therefore, when a child under the age of one year appears to eat the phenomenon of hand, no need to force to stop, just try to keep the child’s small hands clean and hygienic. If frequent finger sucking leads to finger peeling, infection and other symptoms, you should promptly go to the hospital, and under the guidance of the doctor to deal with.