3-year-old babies do not eat more reasons, may be related to poor eating habits, indigestion, micronutrient deficiencies and other factors, need to be given according to the specific causes of targeted treatment and therapy, such as changing dietary habits and so on. 3-year-old baby, if the habit of snacking, eating too much food, may lead to the baby does not eat, it is recommended to correct the baby’s bad eating habits, more can be relieved. If the baby has indigestion, may also lead to the baby does not eat, it is recommended to give the baby small meals, eat easy to digest food, appropriate massage abdomen, promote gastrointestinal motility. If necessary, you can take probiotics and other medications. Micronutrient deficiency is also easy to cause the baby does not eat, such as zinc deficiency, etc., it is recommended to consult a doctor in time, if necessary, follow the doctor’s advice to the baby zinc treatment. 3-year-old baby does not eat may also have other reasons, such as fever, mouth ulcers, etc., it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.