;Chengdu Dongshan is called “the island of Hakka”, where Hakka dialect is retained the most completely in Sichuan. Most of Hakka ethnic there emigrated from the eastern region during Ming and Ching Dynasty, and then Hakka dialect in Dongshan gradually formeda unique phenomenon of phonology as well as lexicon usage owing to the influence of Southwest Mandarin. This thesis takes the Hakka dialect of Samshing(三聖鄉), Huangtu(黃土鎮), and Mulan(木蘭鎮) in Chengdu Dongshan(成都東山) as examples. Moreover, discussion of this study contains phonology and lexicon,but we mainly focus on the former, the latter is auxiliary.
The thesis is divided into six chapters.The first chapter is an introduction that consists ofthe motive and objective, methodology, literature review. Besides, a brief description of history and geographyof Samshing(三聖鄉), Huangtu(黃土鎮), Mulan(木蘭鎮) and the relative position of Hakka dialect in Chengdu Dongshan are presented in this chapter as well. We emphasize on the phonology of Samshing(三聖鄉), Huangtu(黃土鎮), Mulan(木蘭鎮) Hakka dialect in the second chapter,including initials, finals, and tones. In the third chapter, we show the correspondences betweenDongshan Hakka dialect and the Middle Chinese classificatory system, and figure out the evolution of Dongshan Hakka dialect. We put the emphasis on the characteristics of Dongshan Hakka phonologyin fourth chapter.Chapterfive offers a phonological comparison between Dongshan Hakka and other dialects, including Chengdu(成都), Meixian(梅縣), Wuhua(五華), and introduces special lexicon of Dongshan Hakka dialect as well. Chapter six is the conclusion. Finally, we sum up the phonology and lexical features of Dongshan Hakka dialect, andprovide the achievements and deficiencies of this study.