本研究以新竹縣「北埔鄉彭家祠」及新竹市「南寮彭氏祖祠」的祭祖儀式作為研究個案,探討台灣彭姓族人於祭祖儀式的過程中如何透過祭祖儀式的展演,達成記憶「家族」之目的,並回答「祭祖儀式展演」與「族群邊界劃分」兩者的關係。在這樣的思考脈絡之下,本研究將回答幾個問題意識:首先,追尋台灣彭姓族人祭祖的歷史脈絡,那些社會與歷史背景造成北埔鄉彭家祠的祭祖儀式分為三層次(全台性祭祖、嘗會祭祖、開台祖祭祖)?再者,這些祭祖儀式所蘊含的記憶功能及族人之間的記憶點的關係又為何?最後,本研究嘗試從北埔彭家祠的祭祖儀式展演過程中,探究台灣彭姓族人如何在祭祖的儀式中,形塑「客家」與「福佬」族群邊界的流動界線。 為回答上述問題,筆者將著從田野現場觀察祭祖儀式,並配合口述訪談之方式採集資料,藉此陳述北埔彭家祠祭祖與南寮彭氏祖祠的過程與特性,並嘗試與「集體記憶」及「族群邊界」的相關理論進行對話,以突顯台灣彭姓族人儀式的特殊性,及其背後所蘊涵的深層社會意涵。 This paper discusses rites in honor of ancestors in two Peng ancestral temple in “Beipu Town” and “Nanliao”, discusses Taiwan Peng how to remember “the family” by the performance of the ancestor worship ceremony's, and answer the relations between “ritual performance” and “ethnic boundary”. This paper hope answer several question: First, tracks the historical context of Taiwan Peng ancestor worship ceremony, what societies and the historical perspective formed the Beipu Town Peng ancestral temple the ancestor worship ceremony to divide into three levels (the entire Taiwan ancestor worship, Chang-Hui ancestor worship, built ancestor worship)? Furthermore, discuss the ancestor worship ceremony relations between memory function and clansman's memory. Finally, this paper attempt from ancestor worship ceremony performance process in the Beipu Peng ancestral temple, explore how Taiwan Peng clansman in the ancestor worship ceremony to shape the model of “the Hakka” and “the Hoklo” in flow ethnic boundary. In order to answer the above questions, the author from the field spot inspection ancestor worship ceremony, and will coordinate to the research method of in-depth interviewing to gathering material, and express the process and characteristic in “Peng ancestral temple in Beipu” and “Peng ancestral temple in Nanliao”.This paper will attempt to dialogize between “collective memory” and “ethnic boundary”, will underline Taiwan Peng clansman ceremony's particularity, and behind will contain in-depth society meaning.