In Xuchang, there are more than 80 historical sites of Three Kingdoms Period (220-280). Some of them relate to the history of Three Kingdoms, some of them relate to the celebrities of Three Kingdoms and some of them relate to the rumor of the Three Kingdoms. Among those, there are many famous stone steles that the ancient people made, such as the San Jue Stone Stele, which records the alternation of Han Dynasty to Wei Kingdom. It is the hometown of many celebrities. Cao Cao dominated a lot of idea men, bookmen and brave commanders and soldiers. Among those, there are more than 30 out of them from the city.