Cao Cao (155-0315,220) was born in Mengde, a lucky man and a small character, Asan, from Peiguoqiao County (now Bozhou, Anhui Province). At the end of the Eastern Han Dynasty, he was an outstanding politician, strategist, writer and calligrapher, and the founder of the Cao Wei regime in the Three Kingdoms. At the end of the Eastern Han Dynasty, he was an outstanding politician, strategist, writer and calligrapher, and the founder of the Cao Wei regime in the Three Kingdoms. Conquering the Quartet in the name of Emperor Wu of the Han Dynasty eliminated the separatist forces such as Er Yuan, Lu Bu, Liu Biao, Ma Chao and Han Sui at home, surrendered the southern Xiongnu, Wu Huan and Xianbei abroad, unified the northern part of China, and implemented a series of policies to restore economic production and social order, which laid the foundation for the establishment of Cao Wei. Cao Cao was the prime minister of the Eastern Han Dynasty before his death, then Wang Wei, and after his death, posthumous title became King Wu. After his son Cao Pi proclaimed himself emperor, he was honored as Emperor Wu, with the temple name Mao.