本論文主要在探查臺灣最常見的一種〔乞食調〕的曲調淵源，及此曲調與其他在臺灣流傳的同宗曲調間的關聯。 透過曲譜的逐一分析及比較，首先考明此一〔乞食調〕不但同於歌仔戲中〔探親仔〕，並且與大陸流傳的〔探親家〕同源，而這些歌謠的曲調都源自明代嘉靖、隆慶之間即已興起於大陸北方的俗曲曲牌〔銀紐絲〕。 其次，本文也探查了此一曲調在臺灣北管及客家歌謠中的同宗曲調，歸納出這些曲調雖分別來自〔銀紐絲〕的兩種變調腔系，但其調名及細部旋律則已產生變易，由此可見其在臺灣已發展出具本土特色的內涵，也顯示了俗曲「同中有異，異中有同」的傳衍規則。

This thesis primarily focused on making a study of the origin of the most familiar tune ‘Qi Shi Diao in Taiwan, and the connection between this tune and the cognate songs which spread in Taiwan. Through analyses and comparisons of songs’ scores one by one, first, finding clear that this ‘Qi Shi Diao is not only identified with ‘Tan Qin Zai in the Taiwanese Opera, but also the same origination with ‘Tan qin Jia, which spread in China. And melodies of these folk songs is all originated from north China popular time Yin Niu Si, which is developed in Ming dynasty, between Jia Jing times and Long Qing times. Next, the thesis also research on the cognate tune with this ‘qi Shi Diao in Taiwan Bei Guan and Hakka folk songs, inducing that these melodies all separately had its own origin, respectively came from the two kinds of changed tones of Yin Niu Si, but its name and inner melody have been changed already. Therefore, it shows that it has developed it own special features in Taiwan, also showed regular pattern of spreading ame alike in have its different, And have in differently its ame alike.’in folk songs.