The purpose of this study is analysis on novel < Gumageom > 1) to verify the characteristics of the description by LEE Hae Jo 2) to establish the phonological system at that time, and 3) to confirm the characteristics of phonological process. The result of the analysis is as follows; 1) The characteristics of the description by LEE Hae Jo are as follows; a. He had concrete recognition on spacing words. b. He tried writing of punctuation marks. c. Tense sound at Onset Consonant is used as /ㅺ, ㅼ, ㅽ, ㅆ, ㅾ/. d. Confusing description of /ㆍ/ and /ㅏ/ appears. e. Any universal and inevitable change is written in fixed method. f. Most type of writing in conservative writing form. 2) Phonological system is identical with the system that evolved from late 19th century to the modern Korean language. 3) Morphophonological Rules are similar to the modern Korean language. Provided that, the initial sound of a syllable process has not been fixed as inevitable change, and hence is not applied in writing. Palatalization process is written in conservative form within an Chinese character lexicon, but is written in real pronunciation in use of predicate or derived words.