Blood replenishment during pregnancy is mainly through food and medication. During pregnancy, due to the increased demand of the fetus and the reduced absorption of iron by the pregnant woman, iron deficiency anemia will easily occur, which needs to be supplemented in time, otherwise it will affect the health of the pregnant woman as well as the growth and development of the fetus. If the anemia is mild, mainly from the dietary adjustment, eat more iron-rich foods, such as pig liver, chicken liver, beef, fungus, jujube and so on. But if the anemia is more serious, simple diet is often not good enough to promote hemoglobin rise, you need to take iron drugs, such as ferrous lactate, ferrous sulfate, etc., the drugs need to be used under the guidance of a doctor, do not take health products. Pregnant women must pay attention to regular obstetric examination during pregnancy, to strengthen the nutrition, if found iron deficiency anemia, timely correction or treatment under the guidance of a doctor.