Fibrinolytic enzyme injection has defibrinizing effect, can antithrombotic, reduce platelet aggregation and blood viscosity, and reduce myocardial oxygen consumption, can be used for cerebral infarction, thrombophlebitis, hypercoagulable state and other peripheral vascular diseases. Symptoms such as soreness, swelling and numbness of the affected limbs, head swelling and pain, sweating and other symptoms during the use of the drug can generally disappear or be relieved on their own without special treatment, but adverse reactions such as trauma, bleeding from the injection site and the skin and mucous membranes, headache, dizziness and other adverse reactions can also occur. If subcutaneous hemorrhage or hematuria occurs during the use of the product, it should be discontinued immediately and treated symptomatically as prescribed by the doctor. It is contraindicated in the following cases: severe hepatic and renal impairment, peptic ulcer and active tuberculosis cavity; bleeding tendency, coagulation mechanism disorders; positive skin test reaction; pregnant and lactating women; change in drug properties. If you need to use the drug patients, please under the guidance of the doctor strictly follow the instructions of the doctor to take medication, do not self-medication.