The therapeutic measures for low ferritin in pregnant women include the use of medication such as ferrous fumarate, adjusting the dietary structure by eating more iron-containing foods such as red meat, and regular monitoring. 1. Medication: the increase in blood volume of pregnant women during pregnancy as well as the demand of the fetus increases the demand for iron during pregnancy. Generally, it is clinically believed that ferritin in pregnancy is lower than 30ug/L which can be diagnosed as iron deficiency during pregnancy, and it is necessary to use ferrous fumarate and ferrous sulfate under the guidance of the doctor, and if necessary, use iron sucrose, iron dextrose, and other intravenous iron preparations. 2. Optimize diet: Hemoglobin iron mainly comes from lean meat, fish, poultry, you can adjust the structure of the diet during pregnancy, consume more iron-rich food supplements, according to the guideline recommendations, it is recommended that the average daily dietary intake of iron content of about 10 mg, in addition, more vegetables and fruits to replenish the vitamin C can also promote the absorption and utilization of iron. 3. Regular monitoring: Anemia during pregnancy may affect fetal development and even lead to miscarriage or preterm delivery. Therefore, it is recommended to regularly monitor blood counts and ferritin during pregnancy to assess the condition. If you have low ferritin during pregnancy, you need to eat more iron-rich foods, and if necessary, follow the doctor’s instructions to use medication to avoid affecting the development of the fetus.