A highly effective medicine for the cure of thrombotic diseases, lumbrokinase and lumbrokinase capsule has been successfully developed and prepsred by sientists in the Institute of Biophysics, Academia Sinica. The medicine is applicable in prevention and treatment of thrombosis and embolic diseases and is especially effective for treatment of ischemic cerebrovascular disorder induced paralysis and language trouble. Notable improvement and recovery were observed among the hosipitalized patients on clinical trail. It is a promissing and specific fibrinolytic medicine safe to use.