Frequent headaches in pregnancy are related to the following reasons: first, it may be the headache symptoms caused by cold and cold during pregnancy, some pregnant women have poor body resistance during pregnancy and may have pain caused by cold and cold. Second, it may also be caused by hormonal changes in the body, after pregnancy, the body’s hormone secretion will stimulate the head, resulting in headaches. Thirdly, it may be due to the lack of sleep caused by irritability, tension, psychological stress and fatigue during pregnancy, which may result in headache. Fourth, there may be head diseases, such as insufficient blood supply to the brain, migraine and other problems can cause headache symptoms, if there is a headache, it is recommended to promptly check and seek medical advice, it is best not to take drugs at random to avoid the impact on the body.