Insufficient cerebral blood supply in pregnant women may be related to anemia, increased or decreased blood pressure, etc., which can be handled by controlling blood pressure and blood sugar and supplementing nutrition according to the specific situation. Due to pregnancy, pregnant women’s own blood supply, metabolism and various body systems will undergo certain changes, and anemia, increased or decreased blood pressure may occur resulting in insufficient cerebral blood supply, which is mostly manifested as dizziness, headache, fatigue, sleep disorders, decreased appetite and other symptoms. It is recommended that pregnant women should take nutritional supplements, and those with anemia should pay attention to iron supplementation. Regularly monitor blood pressure and blood glucose, control blood pressure and blood glucose within the normal range. If blood pressure or blood glucose is too high, it may cause gestational hypertension or gestational diabetes mellitus, and if it is too low, it may lead to fetal development limitation, which may affect both the pregnant woman and the fetus. Pregnant women with symptoms of cerebral insufficiency of blood supply are advised to go to the hospital for timely examination and appropriate treatment.