Enoxaparin Sodium Injection, i.e. Heparin Sodium Injection, is used for the prevention of venous thromboembolic diseases and the treatment of formed deep vein embolism. Influenced by different manufacturers, different regions, different dealers and other factors, the current market price is 60~150 yuan. 1.Heparin sodium injection can be used for the prevention of venous thromboembolic disease (prevention of intraventricular thrombosis), especially thrombosis related to orthopedic or general surgery; it can also be used for the treatment of formed deep vein embolism with or without pulmonary embolism. It can be used in the treatment of unstable angina pectoris as well as non-Q-wave myocardial infarction, and can be used in combination with aspirin. 2. Adverse reactions to heparin sodium injection: hematoma at the injection site, thrombocytopenia, transaminase elevation and other adverse reactions may occur. 3. Contraindications: contraindicated for those who are allergic to enoxaparin, heparin and its derivatives; contraindicated for those who have bleeding or bleeding associated with severe coagulation disorders; contraindicated for those who have active peptic ulcers or organ damage with bleeding tendency. It is recommended to use heparin sodium injection under the guidance of a doctor, and not to use the drug blindly.