After the flood control in Yu Xia, the world was divided into Kyushu, which made the herdsmen in Kyushu contribute bronze and cast Jiuding. The wonders of Kyushu's famous mountains and rivers are engraved on Jiuding, and a tripod symbolizes a state and is placed in the capital. Since then, Jiuding has become a symbol of the highest political power. Jiuding is located in Dingding, the capital of the Tang Dynasty. During the Spring and Autumn Period, Chu Zhuangwang asked the envoys of the Zhou Dynasty about the weight of Jiuding, but they refused. Later, he used "victory" to express his ambition for imperial power.
The legal establishment of storytelling in the Wei and Jin Dynasties means that the development direction of China's calligraphy was basically determined in the Wei and Jin Dynasties.