The decline of the occurrence of a fundamental political space Wei Imperial College and the political body of the function of the role is another major topic of this article.

The irrigation and water conservancy project laid solid material foundation for the resuscitation and development of the Cao Wei period's economy.

The city' s shape was formed on the later period of East Han Dynasty, improved continuously by Caowei, Houzhao. Dongwei and Beiqi Dynasties. Finally the southern Yecheng summarized the all above.

But from the second generation of the clan, this political force stood on the opposite side of the Cao Wei regime, which resulted in its perdition.

Throughout the early years of Sun Wu introduced not only in the Jiangnan region Mita system, but also used indoor Cao Wei transfer system, that is a true reflection of this situation.