From micro to macro, his composition perspective shows us the ingenious and audio-visual shock of the transition from a small scale to a large scale, which makes people feel the bleak beauty of autumn, and at the same time turns the perspective back to micro and to the poet himself, making people realize that the poet is facing this situation, feeling his life experience and his fate, and his inner sadness generate comes out, blending with autumn scenery's bleak desolation and multiplying his sadness.
The poet used a unique perspective to express the lingering sadness in his heart, which left a deep impression on people: the poet was brilliant and accomplished.