If a pregnant woman is dizzy for a short period of time, it will not affect the fetus, but if the patient is dizzy for a long period of time, it may lead to a decrease in the supply of oxygen in the uterus, resulting in hypoxia of the fetus, so the pregnant woman should go to the hospital to find out the cause of the dizziness, and carry out the symptomatic treatment for the cause of the dizziness.1, if the pregnant woman is dizzy because of anemia, it is recommended that the patient be given timely supplementation of folic acid, vitamin B12, and ferrous iron to supplement the blood. 2, if the pregnant woman dizziness is caused by high blood pressure, it is recommended that the patient oral antihypertensive drugs, so that the blood pressure control in a reasonable range, to prevent the patient from pre-eclampsia. 3, if the pregnant woman dizziness is caused by otoliths, you can through the manipulation of reset treatment.