The planning of Lee Kwang-su`s nation reformation was a long-term project which took place under a wide range of conditions. The idea first emerged during his second period of study abroad when he worked at the Joseon Academy. The idea then took on shape when he worked at the Shanghai Provisional Government and was introduced to Dosan`s Heongsadan ideal. After returning home, the idea was reestablished under the stimulus of the Chondogyo cultural movement. The idea was finally made into blue print through the novel “The story of hoesang”. But existing research has only given attention to “The essay of nation reformation”( 1922). Therefore, this article gives attention to the conditions Lee Kwang-su`s project of nation reformation that were present from its inception to established form, to the prospects which he emphasized concerning nation reformation, and to his strategic writing. This article shows that Lee Kwang-su`s long term attention for the nation problem was for the establishment of an independent, universal ethical-national community against the West and Japan`s orientalized information of the Joeson nation.