Abstract:Cardio-cerebral vascular diseases endanger people‘s health very seriously.Thrombolytic therapy is effective in curing thrombotic diseases at present.Microorganism is an important source of thrombolytic drug. Plasminogen activators are widely used as thrombolytic drugs clinically, while they are still exists some defects. This article analyzed research and development status of kinds of thrombolytic drugs from microorganisms, and evaluated their clinical efficacy and safety, aiming at showing the direction to search new and effective thrombolytic drugs and prevent and treat thromboembolic disease.