Drugs for promoting blood circulation and removing blood stasis have become the key to prevent and treat cardiovascular and cerebrovascular diseases, which may be related to the understanding of pathological mechanism of this disease in modern medicine. Modern medicine believes that the important pathological feature of cerebral infarction and myocardial infarction is thrombosis. In the face of thrombosis and intravascular obstruction, antiplatelet is a good choice So many patients with high risk factors will take aspirin to prevent platelet aggregation. It seems that promoting blood circulation and removing blood stasis has something to do with antiplatelet and preventing thrombosis.