Climbing to the top to enjoy poetry, writing scenery in the first half and writing emotions in the second half have their own intricate writing methods. The first couplet focuses on describing the specific scenery in front of us, just like the meticulous brushwork of a painter, showing the shape, sound, color and state one by one. The second couplet focuses on rendering the atmosphere of the whole autumn, just like the painter's freehand brushwork, which should only be vivid and easy to understand, so that readers can supplement it with imagination. Triple expression of feelings, from vertical (time) and horizontal (space) two aspects, from wandering to sick and disabled. Quadrupling the number of white hair, protecting illness and abstinence from alcohol can be summed up as the hardship of the times is the root of poverty. In this way, Du Fu's feelings when he was worried about the country and hurt the country jumped from the page.
Seven-character quatrains are a genre of China's traditional poetry, which belongs to the category of modern poetry. There are four poems in this style, each with seven words, and there are strict metrical requirements in rhyme and adhesion. The poetic style originated from Yuefu songs in the Southern Dynasties or Yuefu folk songs in the Northern Dynasties or folk songs in the Western Jin Dynasty, and its stereotypes matured in the Tang Dynasty. Representative works include Wang Changling's Two Farewells to Furong Inn and Xin Qiji, Li Bai's The First Generation of Baidicheng, Du Fu's Downstream Meeting Li Guinian, and Yanjiao's Feeling of Watching the Tide.