Children can eat may be physiological (good), growth and development of food can be significantly increased; may also be pathologic (pathological), diabetes, hyperthyroidism, etc. will also be manifested as abnormal increase in the amount of food. 1. Physiological (good): the child has a good appetite, and digestion, stool, physical development are good, the child can eat is good. The child is in the period of growth and development, with the growth of the body’s demand for nutrients will increase, the amount of food will also increase. This is a normal phenomenon. At this time the child can eat is good, but should also pay attention to the amount of intake and nutritional balance. 2. Pathological (morbid): If the child appears to be able to eat, but increasingly thin, irritable, protruding eyes and other manifestations, is an abnormal phenomenon. It may be caused by endocrine disorders, such as diabetes or hyperthyroidism. If the child can eat, parents should pay attention to the overall state of the child and so on, found abnormalities recommended to take the child to the regular hospital in a timely manner, to identify the causes, and under the guidance of the doctor targeted treatment.