Children thin, do not like to eat is relatively low appetite, the intake of energy is not enough calorie, so in the treatment, treatment should focus on the following points: 1, do not like to eat can give children appropriate to add other foods containing relatively high calorie, such as high calorie milk. 2, children do not like to eat may be the existence of physical diseases, such as upper gastrointestinal tract problems, such as chronic gastritis, gastric ulcers, etc. or chronic pancreatitis, chronic enteritis and so on. In this case, you should go to a pediatric gastroenterology clinic to find the cause and treat it. 3, the child may have a problem with trace elements, such as zinc deficiency, iron deficiency children are prone to reduced appetite, you can go to the hospital to do a trace element test. For zinc deficiency, you can take zinc supplements, such as zinc lysine gluconate granules or zinc sulfate syrup. For iron deficiency, you can take iron supplements, such as ferrous succinate oral solution. The child should pay attention to the presence of food allergies, and if allergies exist, avoid the intake of allergy-prone foods as much as possible, such as milk, eggs, sea crabs, nuts are more common. In life to carefully identify, if necessary, to the hospital to do food allergen screening.