1. Prevent thrombosis and embolism, such as deep vein thrombosis, myocardial infarction, pulmonary embolism, thrombophlebitis, and postoperative thrombosis.

　　2. Treat disseminated intravascular coagulation (DIC) caused by various causes, such as bacterial sepsis, early placental dissection, and malignant tumor cytolysis, except for DIC caused by snake bite. Early application can prevent the consumption of fibrinogen and other clotting factors.

　　3. Other internal and external anticoagulants, such as cardiac catheterization, cardiopulmonary bypass, hemodialysis, etc. folding