Dizziness in pregnant women can be caused by poor rest, iron deficiency anemia, and hypertension as a complication of pregnancy. It can be relieved by adjusting work and rest, supplementing iron and treating high blood pressure. 1. Poor rest: dizziness can be caused by poor rest, it is recommended that you adjust your work schedule and get more rest. 2. Iron deficiency anemia: If iron deficiency anemia occurs during pregnancy, dizziness is also possible, you can eat more pig liver, pig blood, etc., you can also use iron supplements such as ferrous lactate tablets and ferrous sulfate tablets under the guidance of the doctor. 3. Complications of pregnancy hypertension: dizziness in pregnant women may be caused by complications of pregnancy hypertension, which should be treated in time, and commonly used drugs are labetalol, nimodipine and so on, which should be used under the guidance of a doctor. During pregnancy, the diet of pregnant women should be nutritious and well-balanced, including a variety of fruits, vegetables, soy products, fish, eggs and other foods. If long-term dizziness, it is recommended to go to the hospital in time for treatment.