Information about the Seven Laws and related knowledge of the Seven Laws.

1, seven-character poems generally refer to seven-character poems. Seven-character poetry is a genre of China's traditional poetry, which belongs to the category of modern poetry.

2. The Seven Rhymes originated from a new style poem that paid attention to rhythm and antithesis in the period of Qi Yongming in the Southern Dynasties. It was further shaped in the Shen and Song Dynasties in the early Tang Dynasty and matured in the hands of Du Fu in the prosperous Tang Dynasty. Seven-character verse is strict, which requires the unity of words in the poem. It consists of eight sentences, and each sentence has seven words. Every two sentences are a couplet, and * * * is a quadruple, which is divided into first couplet, parallel couplet, neck couplet and tail couplet. The two couplets in the middle demand antithesis.

3. The representative works include the Yellow Crane Tower in Cui Hao, Du Fu's Ascending, and Li Shangyin's Stabilizing Tower.