This article points out,to connect Kantism with Buddhism is not only a paramount stage of the spread of Kantism and Western?Philosophy in China,a valuable way of thinking of Buddhism in recent China,but also this connection has a very important meaning in the history of the development of Chinese philosophy at the beginning of 20 th century.By a thorough and comprehensive analysis about Liang Qichao’s Kantism’s Geyi,this paper gives an enlightening research to this question.Liang is the founder of this special theory way,Zhang Taiyan made an important development of this Geyi.But Mr Ouyang Jingwu closed all the windows of the co?interpretation of Yogacara Buddhism and Western philosophy, which interrupts the Geyi′s theoretical way.This article recurs the whole process of the Geyi(to connect Kantism with Buddhism),and makes a thorough compound and study on the diverse paradoxes and the history meaning given by the Geyi.