Iron deficiency anemia is caused by a prolonged iron deficiency that affects the synthesis of hemoglobin, an important trace element in the human body and one of the most deficient trace elements. You can also eat iron-rich foods to help correct mild iron deficiency anemia, but the effect is slow and limited. I. Iron supplementation: If you are suffering from severe iron deficiency anemia and want to correct iron deficiency anemia quickly, it is recommended to take iron supplements such as ferrous sulfate, fumarate, ferrous gluconate, etc. as prescribed by your doctor to avoid prolonged iron deficiency, which may cause serious consequences. However, when taking iron supplements, it is recommended to try to take them between meals or after meals to reduce gastrointestinal irritation. When taking iron supplements, it is important to avoid combining them with foods containing tannic acid such as tea, and drugs such as cimetidine to avoid reducing the effectiveness of the drug. After taking it, black stools may appear, and the symptoms will generally disappear after stopping the drug, so do not be overly nervous when this happens. Second, food iron: 1, animal offal: such as pig liver, loin flowers, etc., rich in iron, phosphorus and vitamin A, etc.. Iron deficiency anemia patients can eat in moderation for the body to replenish iron, the vitamin A inside for the maintenance of vision also has certain benefits; 2, animal blood: such as pig blood, duck blood, animal blood contains a large number of body needs of iron, often eat these can also play a certain role in iron, can help correct anemia; 3, red meat: such as beef, mutton, donkey meat, red meat is rich in iron, zinc, protein The red meat is rich in iron, zinc, protein, vitamins and other substances, which can not only correct anemia, but also promote human growth and development; 4, fruits and vegetables: such as kiwi, strawberries, citrus, cabbage, watercress, bitter melon, etc. These fruits and vegetables are rich in vitamin C, which can promote the absorption of iron and help correct iron deficiency anemia.