Introduction 1
0.1 The Author 1
0.2 The Novel 5
0.3 Literature Review 10
0.4 The Present Writer's Viewpoints 16
Chapter 1 Stephen Crane's Naturalistic Conception 20
1.1 An Introduction of Naturalism 20
1.2 Stephen Crane's Naturalistic Conception 24
Chapter 2 Origin of Stephen Crane's Symbolic Techniques 31
2.1 An Introduction of Symbolism 31
2.2 Stephen Crane's Symbolic Techniques 35
Chapter 3 Symbolic Imagery in The Red Badge of Courage 38
3.1 Symbolic Images of Natural Setting 38
3.2 Symbolic Images of Colors，Animals，Machines and Weather 48
3.2.1 Color Images 49
3.2.2 Animal Images 67
3.2.3 Machine Images 77
3.2.4 Weather Images 80
3.3 Symbolic Images ofFigures 95
3.3.1 Figures without Name 96
3.3.2 Figures without Free Will 102
3.3.3 Isolation of the Figures 107
Conclusion 119
Bibliography 123