The Picture of Dorian Gray is the only novel written by Oscar Wilde, a prominent representative of aestheticism in the late 19th century. The novel tells the story of a young handsome and innocent man Dorian Gray, who constantly degenerates after discovering his amazing beauty and finally stabs the ugly portrait then dies mysteriously. As the plot continues to develop, the character of Dorian Gray is changing. This paper aims to probe into the character image and identity of Dorian Gray through the analysis of the plot in the novel.