Pregnant women take aspirin enteric-coated tablets generally to improve hypercoagulability of the blood. Pregnant women who have a hypercoagulable state of blood, which may lead to adverse pregnancy outcomes such as thromboembolism and stillbirth, can use aspirin enteric-coated tablets to reduce the hypercoagulable state of the blood in the body and minimize the occurrence of adverse pregnancy outcomes. Aspirin enteric-coated tablets are antiplatelet aggregating agents that can prevent thrombosis and reduce the hypercoagulable state of the blood. Pregnant women with hypertensive disorders of pregnancy can take aspirin in small doses to avoid the formation of stillbirths, blood clots, or even pulmonary embolisms or cerebral embolisms due to hypercoagulable blood. Normal pregnant women do not need to use aspirin enteric-coated tablets. Aspirin enteric-coated tablets in the use of the process must strictly grasp the indications for the use of drugs, only in the case of a sufficient basis for the use of drugs can be used under the guidance of a doctor. The use of the process should also pay attention to the monitoring of coagulation function, if there is a tendency to bleeding, must promptly seek medical treatment.