Physiological anorexia, is a special physiological phenomenon in the development of the baby, refers to the baby in the birth of 4-6 months or so, suddenly appeared to eat a significant reduction in the amount of milk or sometimes more, sometimes less of a phenomenon. This phenomenon is mainly due to the fact that as the baby develops, the curiosity about things in the external environment increases, and is easily distracted in the process of breastfeeding and caused. Although the baby’s eating quantity is obviously reduced, but the baby’s physical development is not affected, and there is no abdominal pain, diarrhea, nausea, vomiting and other symptoms, the baby’s spirit and sleep state is good, after a period of time, generally can be restored to normal on their own.