Abstract: In 773 BC, the historiographer named Bo in the royal court of the Zhou Kingdom, plotted the capital moved to Xinzheng for Duke Huan of the Zheng Dukedom. Then Duke Huan began to bribe the Guo and Gui dukedoms, making preparation for destroying the Gui and moving the capital. Next year, he attacked the Gui, occupied its cities, but did not destroy them. Another year, in the battle of Lishan, he died. His son, Duke Wu, continued to attack the Gui and the cities of Yan, Bi, Bu, Zhou, Yi, Rou, Li, Shen were occupied one after another. This leaded to the crushing of the Gui in 769 BC. The same year, Duke Wu moved the capital to the eastern Xingzheng that belonged to the former Gui. Both Gao Qiu and Su Guan in Odes Of Kuai of Classic of Poetry were composed after the Gui was crushed and then had the tone of the conquered people.

Key words: Odes of Kuai, creation, tone, research, age, Classic of Poetry