Xu Shu (the year of birth and death is unknown) is straight. Yingchuan County (now Changgedong, Xuchang, Henan Province) is a native of Changshe County. At the end of the Eastern Han Dynasty, Liu Bei was a counselor, then returned to Cao Cao and became an official in Cao Wei.

Xu Shu, whose real name is Xu Fu, is a child of a poor family. In his early years, he avenged others. After being rescued, he changed his name to Xu Shu and studied in Confucianism. Later, he took refuge in Jingzhou and kept close contact with Taoist friends such as Zhu Geliang and Cui. When Liu Bei was stationed in Xinye, Xu Shu went to defect and recommended Zhuge Liang to Liu Bei. When Xu Shu went south, because his mother was captured by Cao Cao, Xu Shu had to bid farewell to Liu Bei and enter Cao Ying. Later, this incident was processed by art into two-part allegorical sayings such as "Xu Shujin went to Cao Ying without saying a word", which was widely circulated. Xu Shu has also become a model of filial son and is praised. , Xu Shu officer to right corps commander, suggestion.

Ordinary, Chinese characters, pinyin: shù The most common explanation is ordinary people. In addition, there are many uses.