The Great Gatsby is considered as F.Scott Fitzgerald’s most important book.This paper will concentrate on the symbolic meaning of Gatsby’s tragedy-the end of the mythical American dream.Gatsby’s personal experience approximates the whole of the American dream.This paper gives a detailed analysis on the formation of his dream,his great efforts in realizing his dream and his disillusionment. The Great Gatsby is considered as F. Scott Fitzgerald’s most important book. This paper will concentrate on the symbolic meaning of Gatsby’s tragedy-the end of the mythical American dream. Gatsby’s personal experience approximates the whole of the American dream. This paper gives a detailed analysis on the formation of his dream, his great efforts in realizing his dream and his disillusionment.