The Historical Contributions of Cao Zhi, Cao Pi and Cao Cao

Cao Zhi's main achievement: he was the first person who wrote five-character poems vigorously in the history of poetry, completed the transformation from Yuefu folk songs to literati poems, and promoted the development of literati five-character poems.

Representative works: White Horse, Ode to Luoshen, Seven Wounded Poems and Flying Dragon.

Cao Pi's main achievements: he proclaimed himself emperor on behalf of the Han Dynasty, established Cao Wei, pacified Qiang and Hu, pacified Hexi, reopened the western regions, prospered Jian 'an literature, and created the wind of literary criticism.

Representative works: Dian Lun and Ge Yanxing.

Cao Cao's main achievements are: implementing the system of reclaiming farmland, appeasing refugees, eliminating heroes, unifying the north, laying the foundation of Cao Wei's regime, creating Jian 'an literature and advocating thin burial.

Representative works: watching the sea, although the turtle has a long life, let the princess know the truth, and so on.