Objective: To compare acute toxicities among four kinds of Fangji (Radix Stephaniae Tetrandrae) from family Menispermaceae and family Aristolochiaceae to provide a reference for clinical safe medication.

• 目的 :比较马兜铃科和防己科来源的四种防己的急性毒性 ,为临床安全用药提供参考。