1, urokinase is isolated from the urine of healthy people, while nattokinase is extracted from the traditional Japanese food natto.

2. Urokinase is a fibrinolytic drug used for cerebral thrombosis, myocardial infarction, trauma and postoperative thrombosis, while nattokinase is a vasodilator used for hypertension, hyperlipidemia and cerebrovascular disorders.