在台灣，饒平客話的使用人口分布於台灣各地，因時間、空間等種種因素的影響，形成了許多饒平次方言的產生。本文將新竹地區的饒平客話與海陸客話的音韻系統，利用比較法對這兩種客家話做平面與歷史的分析，目的在於了解兩種客家話的不同和對應關係之後，能更進一步解釋客家話古今演變的過程和規律。 本論文共分六章。第一章為緒論，說明本論文的研究動機與目的、研究範圍和研究方法。第二章是文獻探討，將與本論題有關的文獻做回顧。第三章是饒平海陸語音特點，分別將饒平客家話和海陸客家話的語音特點做介紹。第四章是饒平海陸比較音韻，分別就聲母、韻母、聲調和特色來做平面共時之比較。第五章為饒平海陸音韻現象考察，分別將兩種客家話與《切韻》系韻書所代表的中古音就聲母、韻母、聲調部份及現象、演變與歷史來與中古音做歷時之比較。第六章為結論。通過比較，可以得到一個總結：饒平客家話的音韻特徵保守固定，所以饒平客家話比海陸客家話保守。 Different cultures and spaces these elements created different language and dialects. This thesis I point it out that difference between Hai-lui hakka harmonious sounds and guest of Raoping hakka in a specific area-Hsinchu. Taiwan. I used comparative theory to make the analysis of level and history to these two kinds of Hakka dialect. The purpose is to finding out about the two kinds of Hakka one with and after corresponding relation that can go still one step further to explain course and law that Hakka develops at all times. In Taiwan, guest of Raoping hakka is distribution all parts of Taiwan, but different formed of production of dialect one of Raoping hakka; caused by time, space all sorts of influence of factors. This thesis divides into six chapters altogether. Chapter one - the introduction, state the research motive and purpose, research range and research approach of a thesis. Chapter two- documents discussion, do retrospect of documents related to a proposition. Chapter three - the Hai-lu hakka and Raoping hakka pronunciation characteristic, describe the pronunciation characteristics of Hai-lu hakka and Raoping hakka separately. Chapter four - the comparative harmonious sounds of Hai-lu hakka and Raoping hakka, the comparison while doing the level altogether on initial consonant , simple or compound vowel of a Chinese syllable , tone and characteristic separately. Chapter five - investigate for the Hai-lu hakka harmonious sounds phenomenon and Raoping hakka, plant two Hakka and " musical sound that cut " separately it is the sound in the middle ancient times when the musical sound book represents on initial consonant , simple or compound vowel of a Chinese syllable , tone part and phenomenon, develop to come with history with the comparison that the sound lasted of the middle ancient times. Chapter six - conclusion. Through comparison: The harmonious sounds characteristic of Hakka of Raoping is guarded regularly, so Hakka of Raoping hakka is guarded more than Hai-lu hakka.