The purpose of this study is to examine whether the Jinsim-Jikseol was written by Ji-Nul or not. The book with were known so far have been thought in that they had a Susimgyul and were attaced Gecho-Simhak-Inmun. But we now know that the edlited state of known were not the reflection of those times but the result of artificially editing by peple later. The contents of Jinsim-Jikseol are differed from that of others in understanding of the system of Sam-Mun and Cheyoungwan. The results based on this study is that the possibility which Jinsim-Jikseol is not work of Ji-Nul is quitely high. And it will be help to understand the ideas of Ji-Nul more systematically and articulately.