From the point of view of religious history

the description of “Zhi Ren” in Tao theory had taken on some characters of supernatural being

which was one of the sources of immortal idea and religion. <Lie Xian Biography> and <Shen Xian Biography> came into being on the base of immortal story. The former specially emphasized immortal character

effect of remedy and the curative power. Unlike those glancing description in <Lie Xian Biography>

the latter exaggerated the mysterious power and theurgy of celestial being

describing many successful immortal figures. From the point of view of novelistic history

the compilation of the two books was in the time when the type of archaic novel shaped. In this regard

their special value was represented in the history of novel.