1. Hold something to lead to the theme. "The White Dew is Frost" describes a bleak and cold autumn scenery. It expresses emotions and blends scenes through the scenery, showing a sad atmosphere, which sets the tone for the theme of the whole poem.
2. Describe festivals and enhance artistic conception. By describing the lush wild environment with bleak scenery, it emphasizes the chill of late autumn and adds a sad emotional color to the desolate atmosphere of the whole poem.
3. Set off the emotions of the characters. The desolate and bleak scenery described in the poem, coupled with the pale and boundless frost, shows the suffocating waiting of the protagonist and enhances the artistic appeal of the poem.
4. Suggest the psychological changes of the characters. With the change from "green" to "green" and then to "mining", it implies that the hero is from complacency to anxiety and anxiety. This change not only shows the passage of time, but also reflects the inner fluctuation and emotional changes of the protagonist.
In a word, the novel Sword begins with Sword and White Deer Plain, which creates a sad atmosphere for poetry by means of supporting things, depicting festivals, setting off the emotions of characters and suggesting the psychological changes of characters, thus enhancing the artistic appeal and emotional expression of poetry.