Objective:To discuss the changes of Genuine Species and functions of Fangji inHerbal literatures;To study the kidney toxicity of Guang fangji and the feasibility of detoxification by compatibility.

• 目的：通过本草学考证，了解防己类药材的品种来源、功效发展历程，并通过动物实验的方法研究广防己的肾毒性及配伍解毒的可行性。