Three-year-old babies do not eat, may be caused by bad eating habits, or caused by zinc deficiency, may also be caused by indigestion, need to correct the bad eating habits, give zinc supplements and oral medication respectively. 1. If the baby usually have snacks and other bad eating habits, after eating snacks, there will be no hunger, coupled with the texture of the meal is not as good as snacks, which will lead to the baby does not eat, so usually to avoid giving the baby to develop the habit of eating snacks, reduce snacks, the phenomenon of not eating can be improved. 2. If the baby exists zinc deficiency, there will be loss of appetite, anorexia, growth and development behind, immunity decline and other symptoms, can be further clarified through the trace element examination, after zinc supplementation treatment, poor appetite and other symptoms can be improved. 3. If the baby has indigestion and other digestive diseases, the baby may not eat, bloating, diarrhea and other uncomfortable symptoms, you can give the baby oral intestinal probiotics to regulate the intestinal tract, improve the baby’s digestive function, so as to improve the phenomenon of the baby does not eat. Three-year-old babies do not eat may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.