1, Camouflage: refers to the four great masters of the Song Dynasty, Su Shi, Huang Tingjian, Mi Fei and Cai Xiang, as well as Su's representative works such as Dark Clouds in the Sky, Poems of Dongting Spring, Poems of Song Dynasty in Zhongshan, Poems of Cold Food and Drunk Pavilion. Huang's representative works include Song Fengge, Su Shi's cold food poems, flowery poems and chair poems. Mie's representative works include Poems of the Classrooms, Poems of Tiaoxi, Poems of Shu Su, etc. Caiyi in the "Four Schools" is called Cai Jing.
2. Yan Liu: refers to Yan Zhenqing and Liu Gongquan, known as "Yan Liu Jingu" in history. The representative works of the former include Multi-Tower Induction Monument, Guojia Temple Monument, Yuanji Tombstone, Yan Monument, Yan Jia Temple Monument, Nephew Monument and Contention for Seats. The latter's representative works include Li Sheng Monument, Diamond Sutra and Shence Army Monument.
3. Upset drunk: Upset is Zhang Xu, such as Abdominal Pain Sticker; Zuisu refers to Huai Su, whose representative works are orderly posts, thousand-character essays and bitter bamboo shoots posts. They are also called Cao Sheng.
4. The first snow in Yu 'ou refers to the four great calligraphers in the early Tang Dynasty, namely Yu Shinan, Ou Yangxun, Chu Suiliang and Xue Qi. Yu's representative works include Confucius Temple Monument, Ouyang's representative works include Jiuchenggong Liquan Monument, Huadu Temple Pagoda, Yugongbo Monument, Huangfushou Monument, Chu and so on.
5. It refers to Zhao Mengfu, Xian Yushu, also known as "Two Masters" in Yuan Dynasty, and Zhao's representative works, such as Qiu Ai's Epitaph, Sanmen Collection, Ji 'an Biography, Poems and Postscripts of Erlu, Dear John Ji Kang, Postscript of Lanting Thirteen, etc. The representative works of Xian Yushu include Han Yu's Understanding Learning, Poem of Fisherman, Song of Ancient Transparent Mirror, Song of Stone Drum by Han Yu, Poem of Begonia by Su Shi, and Tao Te Ching by Lao Zi.