Xu Shu, formerly known as Xu Fu, was born in Shexian County, Yingchuan County. His family is poor, generous, filial and kind, and his village is civilized. When Xu Shu was young, he was arrested by the government for retaliating against his friends. Only an acquaintance jailer helped him escape from prison can he save his life. Chui Fu changed his name to Xu Shu, fled to Jingzhou to take refuge, and became like-minded friends with Zhuge Liang.
In Romance of the Three Kingdoms, Xu Shu recommended Zhuge Liang to Liu Bei and then defected to Cao Cao. In real history, Xu Shu and Zhuge Liang worked for Liu Bei for more than a year. It was not until Cao Cao occupied Jingzhou before Battle of Red Cliffs that Cao Cao arrested Xu Shu's mother and tricked Xu Shu into Xuchang. "Biography of the Three Kingdoms and Zhuge Liang" records that "Russia is a pawn, but I heard that Cao Gong came to levy and sent him to surrender. My late master was in Fan, led his people south, followed Xu Shu, was chased by Tsao Gong, got a concubine, and resigned from my late master. "
As for the ending of Xu Shu, there is a big discrepancy between history and novels. Historically, after Xu Shu defected to Cao Cao, he served as an official under Cao Cao for many years and won the trust of Cao Cao. Official worship right corps commander and suggestion. The right corps commander is a subordinate officer of the corps commander, who is responsible for commanding the palace guards and protecting the security of the palace. Being able to hold such an important position shows that Cao Cao not only recognizes Xu Shu's ability, but also trusts him very much.
Zhuge Liang has always been grateful to Xu Shu for recommending himself to Liu Bei's benefactor. In Zhuge Liang's mind, Xu Shu's talent is far above his own (in a humble way), and Xu Shu has Wang Zuo's talent. If he meets a master of democracy, he can become a prime minister of a country and rank as commander-in-chief and official in the empire, which is totally unworthy of Xu Shu's talent. Zhuge Liang felt wronged for Xu Shu.