A large amount of blood loss has become the leading cause of death of patients.Therefore,how to stop bleeding quickly,effectively and safely is the key to save the patient's life.The results show that the traditional hemostatic drugs have some side effects while the hemostatic effect is exerted,and the new hemostatic drugs developed in recent years are mostly from the combination of traditional Chinese medicine with Western medicine,the combination of physical and chemical mechanism and the balance of coagulation and anticoagulant function.In this paper,the hemostatic drugs and their research ...