Abstract: The dream is the Chinese classical novel common content and subject matter, only takes the legend of Tang as the center to explain from the perspective of psychological analysis, is undoubtedly a new perspective. In terms of the daydream, it is the life satisfaction of desire, but also the understanding of real life; the sexual dream is an expression of hooking up the psychology, is also a kind of psychological catharsis repressed, and in which the symbol is mostly symbolic dream; the confused dream is the subconscious, the most intense part into the dream in the formation of fragments, in the form of a presentation in a dream; the fantastic dreams is a reflection of clever a telepathic communication coincidentally.