The Xu family is divided into generations, followed by the Qi generation.
The Xu family has one generation: "Jingyouguoda. His life was called Shangyuan. He was a high-ranking moral and humanistic person who succeeded Qihong." Liven up the family, honor the ancestors, honor the ancestors forever, honor the virtuous people, obey the ancestors, be erudite and diligent, be impartial, filial, righteous and trustworthy, and prosper for thousands of generations." , a surname with many origins. "Hundred Family Surnames" ranks twentieth. In 2007, it ranked 28th in the surname rankings, with a population of about 8.984 million, accounting for about 0.56 of China's total population, with Jiangsu, Shandong, Yunnan, Guangdong, Henan, Anhui, Zhejiang and other provinces Most of them, the Xu family in these seven provinces account for about 55% of the Xu family population in China. In 2014, data from the National Bureau of Statistics showed that the Xu surname ranked 26th in the surname rankings.
The migration of Xu surnames to the south began in the Wei, Jin, Southern and Northern Dynasties. In the early Tang Dynasty, father and son Chen Zheng and Chen Yuanguang were ordered to enter Fujian. They were accompanied by a general named Xu from Henan and settled in Fujian. During the reign of Emperor Xizong of the Tang Dynasty, Xu Ai, the imperial censor, guarded Zhangzhou to recruit troops, and later entered Shigui in Jinjiang. After the Tang Dynasty, people with the Xu surname migrated south on a large scale and spread in Jiangsu, Zhejiang, Hubei, Fujian, Guangdong and other provinces. At the end of the Song Dynasty and the beginning of the Yuan Dynasty, a branch of the Xu family moved to Guangdong. Xu Chonghuai and Xu Shen from Fujian in the Ming Dynasty immigrated to Taiwan. After that, the Xu family moved to Taiwan many times and then moved overseas. The Xu family moved to Sichuan, Hunan, Guangdong, Guangxi, and Fujian, and some integrated into ethnic minorities such as Dong, Zhuang, Buyi, and Tujia.