List the calligraphy works of four masters: Su, Huang, Mi and Cai.

Su Huang Camouflage: It refers to Su Shi, Huang Tingjian, Mi Fei and Cai Xiang, the "four great masters" in Song Dynasty.

Su's representative works include Dark Clouds in the Sky, Poems of Dongting Spring, Poems of Zhongshan Song Dynasty, Poems of Cold Food, Notes of Drunk Pavilion, etc. 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. Chua's masterpieces, such as Wan 'an Bridge and Confessions of Yan Zhenqing.

Caiyi in the "Four Schools" is called Cai Jing.