The present invention relates to herbal composition for the prevention and treatment of dementia comprising Polygoni multiflori Radix (Polygonum multiflorum Thunberg), instead of ginseng, Polygalae Radix (Polygala tatarinowi Regel), Caryophylli Flos (Eugeni caryophyllata Thunb), and Zingiberis Rhizoma Crudus (Zingiber officinale Rosc) in the conventional herbal composition to maximize anti-demetia effect with minimized amount. And thus, the herbal composition of the present invention provides maximized activity toward dementia, especially senile dementia, with not only minimized side effects, but also improved pharmacological and clinical activities compared to the conventional products.
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