Abstract:Experiments indicated that the ethanol extract and ether extract from Rhizoma Cynanchi Stauntoniishowed obvious antitussive and expectorant effects on mice with stomach administration. The antitussive effect of ethanol extract was stronger than the expectorant effect. The water extract showed a certain expectorant effect but nomarked antitussive effect with oral administralion. Obvious anti-inflammatory effect was obserred on croton oil-caused mouse ear swell with intraperitoneal injection.