Three-year-old babies do not want to eat, consider the lack of micronutrients, such as zinc deficiency, as well as infectious diseases caused by. Zinc deficiency can easily lead to gastrointestinal dysfunction, causing picky eating and anorexia. Infectious diseases can easily damage the gastrointestinal tract and cause poor diet. Micronutrient deficiencies, especially zinc deficiency, are the main cause of a child’s inability to eat, and can be supplemented with an adequate amount of zinc, such as zinc lysine gluconate. Generally will be able to relieve the symptoms. If the baby has a cold and fever, diarrhea, etc., not eating is a physiological self-reaction, and its appetite naturally improves after the disease improves. At the same time, according to the baby’s appetite to make meals suitable for its taste. When the baby does not like to eat, you can change more kinds of food to increase its appetite.