Most of the dizziness in early pregnancy is the early pregnancy reaction, but it may also be caused by medical diseases, such as gestational hypertension and hypoglycemia, etc. It is necessary to make relevant judgments according to the duration and severity of dizziness, investigate the causes and carry out cause-specific treatment. Early pregnancy reaction: the increase of estrogen and progesterone and human chorionic gonadotropin (HCG) in the body of pregnant women in early pregnancy, the body can not adapt for a while, some pregnant women will have nausea, dizziness, vomiting, weakness, drowsiness and other symptoms, this is normal, and the body slowly adapt to the changes in hormone levels, after 12 weeks of pregnancy, dizziness, nausea and other symptoms will be relieved. Second, disease factors: 1, hypertension during pregnancy: in addition to increased blood pressure, dizziness, there may be proteinuria, edema symptoms. 3, anemia: if there is anemia in early pregnancy, there will also be the performance of dizziness, need to strengthen nutrition, and actively supplement iron, protein, folic acid, etc., if the anemia is serious, if necessary, blood transfusion; 4, vertigo: if there is vertigo in early pregnancy, can also cause the symptoms of dizziness, because the causes of vertigo are more, need to combine with the clinical performance of pregnant women and relevant examination, after clarifying the specific cause. The relevant examinations should be combined with the clinical manifestations of pregnant women and relevant examinations to clarify the specific causes and then take targeted treatment. Pregnant women should not go out alone during the interval between episodes of dizziness to prevent accidents. Reasonably adjust the rhythm of life, ensure sufficient sleep and appropriate activities every day, pay attention to nutrition in the diet, and reduce salt intake.