Returning birds symbolizes retirement (1) and expresses the poet's longing for a free and comfortable life (1). "The mountains are getting better every day, and the birds are coming back every day" ("Drinking") bathes in the afterglow of the sunset, and the birds fly back to the nest together, which adds vitality and vitality to the tranquility of the mountains and implies the poet's freedom to return home; "Birds love the old forest and pond fish miss the old garden" (Returning to the Garden House) shows the author's yearning for rural life: "Clouds come out of the hole unintentionally, and birds are tired of flying to know" (Returning to Xi Ci): "Birds are tired of the life of intrigue in officialdom and are eager to return to the countryside. Show your noble interest and the joy of finding a home (2 points).