Hangul initiative has very important value and significance in the the history of literature in Korea. The reason is that with the appearance of Korean, its literature has opened up a new scene which is totally different from before, when "Chinese character" is used as a method to remark. While it has made great contributions to the development of literature but because it is the foreign language, it has limitations when Korean expressing their own thoughts and feelings which cannot be denied. Hangul overcomes this obstacle, for Korean are free to use their own words to express their ideas, which has opened the new chapter of Hangul literature. Especially when citizens but not only nobles began to grasp and use Hangul to express their own feelings, it is undoubtedly it is of great significance for the road to the popularization of Hangul literature. Changes on literature based on the popularity of Korean can not realize overnight. With the research on a series of Hangul works at the age of Hangul appearing, this paper aims to make observations on its influence and functions in the development of Hangul literature.