Study On Qieyun Bianlan

"Qieyun Bianlan" is a book modeled on "Yunfa Zhitu". In this paper, through the comparativity of compilation and list of characters,we analysed of the relationship between the two book, we think, "Qieyun Bianlan" is a book compiled in according to the actual figure on the basis of the alteration of the " Yunfa Zhitu ", not only retains the phonetic features of "Yunfa Zhitu",but also reflect the actual pronunciation in a certain extent, and revealed the characteristics of the dialect of the editor.At the same time, we analyzed the voice system of " Qieyun Bianlan ", its initial consonant system consists of twenty-three consonants; vowels system includes: sixteen Yinsheng rhyme,fourteen Yangsheng rhyme, fourteen Rusheng rhyme; the tone system includes: Yinping,Yangping, Shangsheng, Qusheng.