Commonly used drugs in the treatment of venous thrombosis mainly include anticoagulant drugs, thrombolytic drugs and so on. 1. Anticoagulant drugs: clinically, the common anticoagulant drugs used in the treatment of venous thrombosis are heparin, warfarin, apixaban and so on; anticoagulant drugs have the adverse reaction of bleeding, patients with bleeding risk should be used with caution, and the use of the process of patients should be strictly monitored, so as to prevent the risk of bleeding. 2. Thrombolytic drugs: Clinical treatment of venous thrombosis commonly used thrombolytic drugs are urokinase, streptokinase, etc.; urokinase may be used in large quantities when the bleeding phenomenon occurs, and in a few cases there is an allergic reaction; streptokinase common adverse reactions are fever, chills, bleeding and other symptoms, and low blood pressure may occur in the static drip. Venous thrombosis should be timely medical treatment, under the guidance of the doctor for examination and diagnosis, according to the specific conditions to determine the treatment program, the use of drugs should follow the doctor’s instructions.