This is a famous farewell poem, the meaning of the poem is not to feel sad at the time of parting. The spirit of the whole poem is flowing, and the artistic conception is broad, sweeping the sadness in the farewell poem. The tone is bright and the words are fresh and lofty. The content is unique, which reflects the poet's lofty ambition, open-minded interest and broad-minded mind. The architectural style of the Tang Dynasty is characterized by its magnificence, strict and cheerful. The structure of the Tang Dynasty architectural bucket arch, the image of the column, and the processing of the beam all make people feel the internal connection between the stress state of the component itself and the image, which has achieved the unity of strength and beauty. The color is simple and bright, the roof is stretched and flat, and the doors and windows are simple and unadorned, giving a solemn and generous impression.