There are several reasons why children are picky eaters: First, when children start to add complementary foods are not given a reasonable and balanced feeding, resulting in the child’s acceptance of the complementary foods eaten, but not for the complementary foods not eaten will have the phenomenon of non-acceptance, resulting in the picky eating situation. Second, during the growth of the child, if there is a deficiency of trace elements, especially the trace element zinc deficiency, the child will lack appetite, thus the phenomenon of picky eating. Third, parents do not form good eating habits for their children, often oral high-calorie food before eating, or give oral sugar, bread, cookies, chocolate, etc. between meals, which leads to children do not want to eat at mealtime, will have the phenomenon of picky eating.