Because the scholars at that time still had social status, but they were divided into cremation and Han nationality. At that time, the gentry monopolized the privilege of state management and personnel appointment, excluding the children of Han nationality. However, this privilege of the gentry is unfavorable to the development of the country. Cao Cao's main purpose is to make a large number of Han scholars participate in the management of state affairs and reduce the situation in which the gentry hold state privileges.

Therefore, Cao Cao established a library in Xudu at that time to create more conditions for the children of the Han nationality.