| Changge county lies in the central section of Henan province. Its dialect belongs to Zhongyuan mandarin .The paper chooses Chengguan town as data-drawing point. From synchronic angle , the paper gives entirely and deeply description on Changge dialect's phonetic system, and analyses the special sandhi and inflexion which is different from Putonghua. From diachronic angle ,the paper compares the similarities and differences between Changge dialect and Putonghua from Medieval to Modern Chinese, and summarizes some characteristic of evolvement of Changge dialect's initial consonant and vowel. Through systematic contrast, the paper explores the characteristic of phonology of Changge dialect, historical level of phonology and the historical and geographical differences on the evolution between Changge dialect and Putonghua. |