The thesis tries to use this literary aesthetic dimension of expression and practical theory to interpret the “desire” of characters in the play and the author’s creation desire and motivation。 

Expression theory pays attention to the writer's inner world and the relationship between the literature and highlights the creation subject of initiative and autonomy。

Practical theory is the relation between characteristics and social function of literature and art in general description。 Emphasis on the understanding of the literature and art, and the roles of education must be through the aesthetics of art image to achieve that beauty。