Du Fu's poetry, being great and magnificent, is a treasure of Chinese ancient literature. Since the Song Dynasty, generations of glossators for Du Fu’s poems had emerged, developing a great spectacular "Du Poetics", which has drawn much attention in the area of ancient academic research. But due to the numerous circulation versions of Du’s poetry, the wide range of its coverage, the large amount of information it conveys, and the fuzziness of its language, the difficulty of Du’s poetry study increases, making its follow-up study even harder. This paper takes the doubtful points of Du Fu’s poetry as the object of study. Referring to predecessors' research results, breaking through the pattern of pure traditional exegesis as past research, combining western pragmatics and Chinese traditional exegetical methods, this paper has put forward a new approach to solve the doubtful points of Du’s poetry, which is the exegetical pragmatics. Trying to study from both diachronic and synchronic perspectives, and using exhaustive statistics and quantitative analysis method, this study has made a relatively comprehensive research on the doubtful points of Du’s poetry. This paper consists of the following parts: The first chapter is the introduction, consisting of four sections: The first and second sections briefly introduces Du Fu and his poetry, and then defines the term "doubtful points". Section Three systematically introduces the current research status of this subject, and sorts out the scattered accomplishments of its study since Song Dynasty. Section Four briefly explained the method which is used in this study to solve the doubtful points of Du’s poetry,and discussed the research value of this subject. The second chapter is the causes of doubtful points of Du’s poetry. This chapter includes two sections. The first section summarizes the three reasons for the emergence of the doubtful points, which are copying errors, false glosses and falsification of Du’s poems. The second section generalizes five types of the doubtful points, which are derivation of copying, fuzziness of word meaning, ambiguity of grammar, vagueness of semantics, and uncertainty of appreciation. Chapter Three is the solution for the doubtful points of Du’s poetry, consisting two sections. In Section One the concept of exegetical pragmatics is put forward. In Section Two the operation methods of exegetical pragmatics are introduced, one of which is referring to pragmatic habits, i.e. to investigate the author's word-using habits, rhyme-using habits, and syntactic habits. The second method is making use of pragmatic reasoning, i.e. to make semantic reasoning and citation reasoning. The third is setting up the pragmatic environment, i.e. to set up the textual and the historical contexts. Chapter four is the conclusion. As a newly proposed theory, exegetical pragmatics has not thoroughly mentioned in relative literature yet. Through the analysis of doubtful points in Du Fu’s poetry, this paper has made a preliminary study of the three basic elements of exegetical pragmatics. It can solve difficult problems in classical poetry, to reveal the author’s original intention, as well as fully refine and generalize the special contents and methods of poetry annotation. And it can also enrich the connotation of exegesis, and perfect the system of exegesis. It especially makes useful exploration for the modernization of Chinese traditional exegesis.

杜甫創作的偉大瑰麗的詩篇，是中國古典文學遺產中的珍寶。自宋而來，杜 詩注者蜂起，論家輩出，形成了蔚為壯觀的‚杜詩學‛，成為古代學術研究領域 引人注目的煌煌大觀。但由於流傅的杜詩版本繁多，加之杜詩內容廣泛，資訊含 量大，語言具有較強的模糊性，使杜詩研究的難度增大，影響杜詩的後續研究。 本文以杜詩疑義作為研究對象，綜合前人研究成果，突破以往單純從傳統訓 詁角度的研究，結合西方的語用學思想和中國傳統的訓詁方法，提出杜詩疑義解 決的新方法——訓詁語用法，嘗試從歷時和共時的綜合角度出發，運用窮盡統計 和定量式分析相結合的方法，對杜詩疑義作出相對全面的研究。 本論文主要包括以下幾個部份： 第一章緒論，包括四個小節：第一、二節簡要介紹杜甫及杜詩，并對‚疑義‛ 一詞進行界定；第三節系統介紹杜詩疑義的研究現狀，梳理自宋而來杜詩疑義研 究的零珠碎玉；第四節簡要介紹本文使用的杜詩疑義研究方法，探討杜詩疑義的 研究價值。 第二章杜詩疑義的形成原因，包括兩節：第一節總結出杜詩疑義形成的三個 原因，包括傳抄失誤、偽注流布以及枉改杜詩；第二節歸納杜詩疑義形成的五種 類型，包括異文不定、詞義不明、語法不分、語意不清以及鑒賞不一。 第三章杜詩疑義的解決方法，包括兩節：第一節提出訓詁語用法的概念；第 二節詳細介紹訓詁語用的研究方法，一是依據語用習慣，即考察作者的用詞習 慣、句法習慣、用韻習慣；二是利用語用推理，即進行語義推理和引證推理；三 是設置語用環境，即設置上下文語境和歷史語境。 第四章結語。 訓詁語用法作為一種新的理論，尚未有著述詳細的言明。本文通過對杜詩疑 義的分析，初探訓詁語用法的三種基本要素。這既可以解決古典詩歌中的疑難問 題，還原作者原意，又能充分提煉和總結詩歌注釋的獨到內容和特殊方法，豐富 訓詁學的內涵，完善訓詁學的體系，尤其是為中國傳統訓詁學的現代化建立作出 有益的探索。