Two and a half year old baby anemia is mostly iron deficiency anemia, you can take oral iron, commonly used iron agents are ferrous sulfate, ferrous fumarate, ferrous gluconate, ferrous succinate, etc. Vitamin C can promote the absorption of iron, can be taken at the same time, milk will affect the absorption of iron, so iron as far as possible to take between meals, not only to avoid the impact of other foods on the absorption of iron, but also to reduce gastrointestinal reactions. At the same time, let the child eat more iron-rich foods such as animal liver, lean meat, egg yolk, kelp, fungus, etc., to avoid picky eating, partiality. When taking iron supplements, because iron will corrode the teeth, it is necessary to brush the teeth frequently to prevent the teeth from becoming black.