It expresses the poet's feelings and sighs about the world of mortals. The street is long, the fireworks are numerous, you pick up the lamp and look back, the short pavilion is short, the world is rolling, I Xiao, this poem comes from one of the two poems "Autumn Night is about to dawn out of the fence gate to welcome the coolness" by Du Mu in the Tang Dynasty. This poem This poem describes the scene of fireworks on the long street and the scene of seeing the world of mortals rolling around in the short pavilion. The last sentence "I sigh again" expresses the poet's feelings and sighs about the world of mortals. Through this poem, the poet expresses his feelings for the world of mortals. Lamentations about the bustle and bustle of the world and reflections on life.