Twenty seven cases of vascular dementia were treated with Naoxue Shutong oral solution based on Qi -invigorating

blood- activating and stasis -eliminating method with another 24 cases treated with Duxil. an intelligence - promoting agent. Results showed that both remedies had similar total effectiveness. The therapeutic effect of cases of asthenic - Qi blood -stasis type was superior to other types

and the results of per cranial Dopier test and hemorrheological indices in treatment group showed that Naoxue Shutong was superior to the control group.