One and a half year old babies do not eat may be a lack of micronutrients, irregular diet and colds and other reasons, according to the cause of targeted treatment, including through drugs, adjusting eating habits to improve. 1. Micronutrient deficiency: if the child for a long time there are iron, zinc and other micronutrient deficiencies, the child may also have a poor appetite, can be targeted to supplement. For example, zinc deficiency, you can take zinc gluconate oral solution to supplement zinc, iron deficiency can be oral ferrous sulfate oral solution to supplement iron. In addition, appropriate consumption of foods rich in iron and zinc can effectively supplement the lack of elements, such as meat, vegetables, seafood and so on. It is necessary to pay attention to avoid allergic food consumption. 2. Irregular diet: some children have the habit of eating snacks, which can also cause the situation of not eating, need to reduce the child’s snack intake to meet the child’s normal intake of meals, to ensure that the baby’s growth and development of the nutritional requirements. 3. Colds: during the cold gastrointestinal digestive function may decline, the same may not eat, need to ensure that the child’s rest, while maintaining a light diet to promote the recovery of the child’s disease, after the recovery of the cold the baby’s appetite can be naturally improved. In addition, there are many other reasons why a child may not eat, such as oral ulcers and other oral diseases. 1.5 year old babies do not eat is recommended to consult a doctor for a clear diagnosis, and follow the doctor’s instructions to carry out targeted treatment, so as not to miss the opportunity for treatment. All of the above medications should be used under the direction of a doctor.