Nausea and dizziness in early pregnancy may be normal early pregnancy reactions. Some pregnant women may have early pregnancy reactions due to changes in their body’s hormone levels, such as nausea, vomiting, loss of appetite, dizziness, sleepiness and weakness, etc. Most of them will disappear on their own around 12 weeks of pregnancy, and usually no special treatment is needed, only adjustment of diet and living habits is required. However, nausea and dizziness in early pregnancy may also be caused by factors such as anemia, hypoglycemia and hypotension.1. Anemia: Some pregnant women may experience early pregnancy reactions such as loss of appetite and food selection in early pregnancy, leading to malnutrition and anemia, which can lead to nausea, dizziness, pallor and other manifestations. It is recommended to eat iron-rich foods such as pork liver in moderation, and if anemia is serious, oral iron supplementation can be taken according to medical advice to improve the symptoms; 2. Hypoglycemia: early pregnancy reactions such as vomiting, poor appetite and little eating after pregnancy, which make pregnant women malnourished, can make pregnant women’s blood sugar low; secondly, women’s hypoglycemia during pregnancy may also be caused by overexertion and mental stress. At the same time, the metabolism in pregnant women’s body is accelerated and the insulin level in the blood is high, which can also make pregnant women’s blood sugar low and lead to dizziness, nausea and other hypoglycemic symptoms. At this time, pregnant women can appropriately supplement foods with high sugar content, but be careful to avoid excess; 3, hypotension: early pregnancy due to the formation of the placenta, will divert part of the blood to the fetus, which may lead to a decrease in blood volume, blood pressure, nausea, dizziness and other symptoms. Therefore, it is necessary to monitor blood pressure regularly during pregnancy and pay more attention to rest in order to avoid making pregnant women uncomfortable.