Pregnant women who suddenly experience dizziness are clinically advised to: first, lie down and rest immediately to avoid falling and causing serious consequences. Secondly, find out whether the pregnant woman has eaten breakfast, whether the dizziness caused by low blood sugar, if the dizziness occurs without eating, the vast majority is caused by low blood sugar, it is recommended that you can eat candy class or drink a bowl of sugar water, can effectively relieve dizziness. However, we should pay attention to whether there is a possibility of combined diabetes during pregnancy, if there is such a situation, you can not drink sugar water or eat candy. It is recommended to go to the hospital as soon as possible to do the appropriate examination, and then give treatment, in addition, if the pregnant woman dizziness may also be caused by low blood pressure. So no matter which kind of situation timely to the hospital examination is the fundamental principle, after the examination and then give treatment.