Tranexamic acid injection, this product is mainly used for the treatment of acute or chronic, localized or systemic primary fibrinolysis caused by bleeding, this product can also be used for: 1. Prostate, urethra, lung, brain, uterus, adrenal gland, thyroid and other organs rich in plasminogen activator or surgical bleeding; 2. Used as tissue type plasminogen activator (t-PA) streptokinase It can be used to prevent or reduce bleeding after tooth extraction or oral surgery in hemophilia patients with deficiency of factor VIII or factor IX; 5. Mild bleeding caused by central nervous diseases, such as subarachnoid hemorrhage It is better than other antifibrinolytic drugs in hemostasis, but we must pay attention to the risk of cerebral edema or cerebral infarction; for patients with severe surgical indications, this product can only be used as an auxiliary drug; 6. For the treatment of hereditary angioneurotic edema, it can reduce the frequency and severity of its attack; 7. Active bleeding in patients with hemophilia can be combined with this drug .