Low molecular weight heparin sodium has anticoagulant and antithrombotic effects. It is mainly applied to prevent blood coagulation during hemodialysis or blood filtration, and prevent the formation of blood clots during extracorporeal circulation. In addition, it can also be used for patients with coronary heart disease, angina pectoris, especially acute myocardial infarction. It can also be used for patients with cerebrovascular disease, and can also be used for long-term bedridden patients. Subcutaneous injection is used to prevent the formation of blood clots. Low molecular weight heparin sodium in clinical use is usually twice a day, subcutaneous injection.

　　In the process of application, there may be adverse reactions, among which the more common is local bleeding, ecchymosis at the injection site, and allergic reactions, local skin redness, itching, rash, individual will cause thrombocytopenia, there may be elevated transaminase.