Safflower injection is an injection made by extracting the active ingredients from the traditional Chinese medicine safflower, which includes safflower xanthin, safflowerin or other safflower glycosides. The main function is to activate blood circulation and remove blood stasis, reduce swelling and pain, so it is used for some diseases of the arterial system, including coronary heart disease, myocardial infarction, cerebrovascular disease, stroke and peripheral vascular disease, and it can also be used for such conditions as hyperlipidemia and diabetes. Therefore, in recent years, there has been more research on safflower injection in anticoagulation and antiplatelet, because it can effectively anticoagulate and inhibit platelet aggregation and prevent thrombus formation, so clinically safflower injection can be used for protection after myocardial infarction, and also for cerebrovascular stroke. The effect of safflower injection is to reduce the infarct area and protect the organs. Regarding the anti-platelet effect, it is believed that it can reduce the viscosity of blood and inhibit thrombosis, which may also be one of the effects of activating blood circulation and resolving stasis as described in Chinese medicine.