Iron deficiency in children is usually caused by insufficient iron intake or rapid growth and development, which leads to an increased demand for iron. Iron can be replenished by improving the diet and taking medication to replenish iron. 1. Improve the diet: let the child eat more iron-rich foods, such as beef lean meat, and egg yolks, and animal liver, and dark green vegetables, etc., these foods are rich in iron, through a balanced diet, to improve the child’s iron deficiency is helpful. 2. Drug iron supplementation: If the child’s iron deficiency has been very serious, iron deficiency anemia, this time in the food supplementation basis, but also follow the doctor’s instructions to let the child oral iron treatment, such as ferrous sulfate, ferrous fumarate, ferrous succinate and so on. It is important to note that when giving iron supplements to children, it is also necessary to find the causes of iron deficiency, and eliminating the causes of the disease is the key to treatment. The above medication should be carried out under the guidance of a doctor, dietary therapy can not replace drug treatment, if the child’s iron deficiency symptoms have not been improved, it is recommended to go to the hospital in a timely manner.