Phonological System Of Yunfa Zhitu

Yunfa Zhitu is the representative of the Ming Dynasty. Tt is different from the former books in both structure and content. the study is good at present, but there are still many issues which need further discussion. We summarized the phonological systems and related issues of Yunfa Zhitu with the basic methods of linguistics. We also discussed the phonological features and the research value in phonological history.The paper can be divided into six chapters. Chapter I is the content and style of Yunfa Zhitu. Chapter II is the consonant system of Yunfa Zhitu. Chapter III is the vowels of Yunfa Zhitu and related issues. Chapter IV is the tone system of Yunfa Zhitu. Chapter V is the phonological structure of Yunfa Zhitu. Chapter VI summarized the phonological features and the research value in phonological history.The main innovation of this article has the followings:(1) The symbol of "匕" just means the lack of syllable.(2) The rhyme of the entering tone in Yunfa Zhitu is the author's comprehension which does not show the objective reality.(3) We can see the trait of changes in the tone system of Yunfa Zhitu.(4) From the phonological system of Yunfa Zhitu, we can see the common phonological system and the traces of the author's actual voice.