Cao Cao (155-220) is a native of Mengde, an imam, Han nationality, and a native of Peixian County (Bozhou, Anhui Province). A famous politician, strategist, writer and calligrapher in the late Eastern Han Dynasty. Among the three countries, the founder and main founder of Cao Wei was first the general and prime minister of the Eastern Han Dynasty, and then Wang Wei. After his son Cao Pi proclaimed himself emperor, he was respectfully called Wei Wudi. In the name of the prime minister of the Han Dynasty, he conquered all directions all his life, made great contributions to the unification of the Central Plains, and at the same time extensively settled fields in the north, which played a certain role in the recovery of agricultural production at that time. The characteristics, innovation and creation of Cao Cao's literary works have an irreplaceable position in the history of China literature. Mr. Lu Xun rated him as "the founder of transforming articles". At the end of the Han Dynasty, calligraphy critics named five Cao Zhang masters, namely Cui Yuan, Cui Shi, Zhang Zhi, Zhang Chang and Cao Cao. It can be described as the all-powerful generation overlord.