中文摘要：《达·芬奇密码》是一部充满谋杀、惊悚和神秘宗教传奇的小说，书中存在大量符号来推动故事情节的发展，以及存在一些无意识的误导。而符号学家皮尔斯曾提出“三位一体”概念，将符号分成象似符、索引符和象征符，表明了语言符号的能指与所指之间的三种联系方法。每一个符号因其代表一个对象，且具有一定意义，必然会产生一个解释项，据此，本文拟就小说所围绕的各种符号，如斐波那契数列、五角星、圣杯、玫瑰线等为研究点，以皮尔斯的三元论为理论框架，来阐释小说中符号的代表物、对象和解释，以此来探讨这些符号的文化象征、存在的意义及作用，从而帮助读者理解《达·芬奇密码》所蕴含的深层含义。同时，这也有助于中国读者对小说中的文化背景，尤其是西方宗教文化作进一步的了解，更好地认识符号学理论在文学作品中的重要作用，从而消除读者对文中一些符号的不解或误读。

关键词：符号  三元论  象似性  文化象征

TABLE OF CONTENTS

ABSTRACT

中文摘要

Chapter One Introduction-1

Chapter Two The Study of The Da Vinci Code-3

2.1 Previous researches on The Da Vinci Code abroad-3

2.2 Previous researches on The Da Vinci Code at home-3

Chapter Three The Explication of Semiotics Theories-5

3.1 The definition of Peirce’s tri-partition theory-5

3.2 The definition of iconicity-7

Chapter Four The Symbolic Analysis of The Da Vince Code-8

4.1 Icons - the pentacle and paintings represented by Homo Vitruvianus-8

4.1.1 The cultural origins of the pentacle and paintings represented by Homo Vitruvianus-8

4.1.2 The cultural symbolization of the pentacle and paintings represented by Homo Vitruvianus under tri-partition theory-9

4.2 Index - the guidance of the Rose Line-11

4.2.1 The cultural origins of the Rose Line-11

4.2.2 The cultural symbolization of the Rose Line under tri-partition theory-12

4.3 Symbol - the metaphor of the Holy Grail-13

4.3.1 The cultural origins of the Holy Grail-13

4.3.2 The cultural symbolization of the Holy Grail under tri-partition theory-13

Chapter Five Conclusion-16

REFERENCES-18

ACKNOWLEDGEMENTS-19