High fibrinogen in late pregnancy is generally a normal reaction during pregnancy, but the cause and intervention methods are different for different degrees of high fibrinogen: 1, slightly high: during pregnancy, to avoid excessive postpartum bleeding, the body will have a physiological compensatory reaction, causing high fibrin, which is physiological and has little impact on pregnant women, if there is no discomfort, there is generally no need for intervention, mainly to If there is no discomfort, there is no need to intervene, mainly to review regularly; 2. Significantly high: Significantly high may be an abnormal condition, such as thrombotic disease, infectious disease, can lead to a significant increase in fibrinogen. Significantly high fibrinogen may cause hypertension during pregnancy and affect the development of the fetus. In this case, other blood tests need to be completed to find the cause and identify the presence of hyperfibrinolysis, followed by cause-specific interventions. During pregnancy, pregnant women should pay attention to monitoring blood pressure, go to the hospital regularly for prenatal checkups, ensure sufficient and reasonable sleep time, do not stay up late, and avoid strenuous exercise or heavy physical labor. Daily pay attention to a light diet, maintain a balanced nutrition, do not eat greasy, smoked, spicy and stimulating food, it is best to eat more fresh vegetables and fruits to be able to replenish vitamins, fiber and other substances, and keep the bowel movement smooth.