In this research, the author is in light of the lost of Raoping Hakka, and carries out his survey on six different dialect regions, and divides all those regions into three groups by the features and differences of tone, intonation and rhyme. Those three groups are: Group A: Chi-Ba Li, Shin-Nan and Ping Chen; Group B: Shinwu Litochu and Group C: Guolin, ShinPo. Their structures are listed in Chapter 5. In Chapter 7, the author analyzes the tone, rhythm and rhyme of group A and analyze their intergradations from Middle Ancient times to modern times. In Chapter 8, the author discusses about the contemporary contact in dialect geography and compares Group B and C. From chapter 7 and 8, readers can gain a conclusion that, besides features of Hakka, the tone, intonation, and rhyme in Raoping Hakka have a lot in common with Fūjian Shaoan, PingHè, NanGin, DaPu, FongSuien Hakka.
At the end of this thesis, the author analyzes the features in Raoping Hakka vocabulary. Raoping Hakka not only receives the effects from four counties, it is affected largely by Southern Fūjian min and is closer to Hailu Hakka.
