1, Cao Ying is a woman made up by the author, and Cao Cao is a real figure in history.
2. Cao Ying is both civil and military, good at archery, and has won Cao Cao's tactics and ingenuity. In the Battle of Mount Tai, he served as the commander-in-chief of Wei Jun to stop Zhuge Liang's Northern Expedition. Because of Luo Pingan's informer, Guan Xing, Zhang Bao, Zhao Yun and other Shu soldiers were wiped out.
3. Cao Cao was an outstanding politician, strategist, writer, calligrapher and poet in ancient China. At the end of the Eastern Han Dynasty, Quan Xiang was the son of Qiu Cao Song and the founder of Cao Wei. Implement the system of reclaiming farmland, unify the central plains and the north, and lay the foundation for the Cao Wei regime.
4. During the warlords' scuffle at the end of the Eastern Han Dynasty, the social economy of the Huanghuai River Basin suffered unprecedented damage, the people were slaughtered, the land was barren, and the survivors were forced to leave their homes and live in exile. It can be said that the name is empty, there are no people in a hundred miles, the bones are exposed in the wild, and there are no crows in a thousand miles. Faced with this tragic situation, Cao Cao implemented a series of policies to restore the economy and stabilize the situation before his death. Judging from Cao Cao's political, military and economic performances, such as reclaiming farmland, building water conservancy and implementing the system of selling salt and iron by officials, it has played a positive role in social and economic recovery and economic rectification.