The late Ming Dynasty was the era of the unity of three religions.Buddhism gradually waned from Song and Yuan Dynasty, however, at the end of the Ming Dynasty, it raised to another peak, then appeared some important people so-called “Four Masters of Late Ming”. This paper studied the main characters -Yun Chi Ju Hung(雲棲祩宏) who is the first master of those four. As a contemporary Buddhist master, he also talked a lot about this important Confucian classics – Yijing (《易 經》) – in the united time of three religions. He frequently made a certain degree of communication between Buddhism doctrine and Yijing (《易 經》) ideas, and tried to explain that the way of Buddhism and the words said by those traditional Chinese saints are quite similar. This naturally has a necessary purpose for preaching. We also like to take this point to observed Yun Chi Ju Hung(雲棲祩宏), a Chinese Buddhist master, What is the reason he is so familiar to Yijing (《易經》). Of course, we also can see those great evidences in Chinese Buddhism that Yijing (《易經》) has been ceaselessly handed down.
