Abstract:The event that Wang Zhang,the abdicant king of Korea was exiled westward to Tibet,has been paid much attention by the history workers recently.There are two articles,Gui Qipeng's Analysis on the reasons why Yingzong had banished the Zhongxuan to Tibet and Xue Lei's The Important Person of Political Relationship between Korea and Yuan Dynasty,Wang Zhang,Zhongxuan Wang of the Korea Kingdom,this article tries to seek out the causation of the event that Yuan Yingzong's exiling Wang Zhang to Tibet with a new analysis on relative materials.