Xu Shi's birthplace is now Xu Changdong, Henan. During the Spring and Autumn Period and the Warring States Period, under the pressure of Zheng, Chu and other countries, Xu moved his capital to Henan and northern Anhui many times. After the Xu family was destroyed by Chu, except for some who moved to Jingshan, Hubei and Zhijiang, Hunan, most of the Xu family propagated locally or moved northward. Xu first moved north to Levin, Jizhou (now Levin, Hebei), and later Xu moved back to Baofeng, Henan. During the Qin and Han dynasties, the Xu family had spread all over most areas of Henan and Hebei provinces. Since then, the northern Xu surname is mainly distributed in today's Henan, Hebei, Anhui, Shaanxi, Shanxi and other vast areas. Xu Nanqian began in Wei, Jin, Southern and Northern Dynasties. At the beginning of the Tang Dynasty, He was ordered to enter Fujian, accompanied by a Henan Xu Shi, and settled in Fujian. In Tang Xizong, Xu Ai, an imperial envoy, guarded Zhangzhou for Zhao 'an, and later entered Jinjiang Stone Tortoise. After the Tang Dynasty, Xu moved south on a large scale and propagated in Jiangsu, Zhejiang, Hubei, Fujian, Guangdong and other provinces. At the end of Song Dynasty and the beginning of Yuan Dynasty, the Xu family moved to Guangdong. In the Ming Dynasty, Fujian people Xu Chonghuai and Xu Shen moved to Taiwan Province Province, then Xu Shi moved to Taiwan Province Province many times, and then some people moved overseas. Xu Shi, traveling in Hunan, Guangdong, Guangxi, Fujian and other places, is integrated with Dong, Zhuang, Buyi and Tujia ethnic minorities.

Xu-Baijia's surname ranks 35th, with about 7.02 million people, accounting for 0.54% of the national total.

One; From the surname "Jiang". Take the country as the surname. According to Tongzhi. Brief introduction of clan. Taking the country as the surname ",the later humanistic uncle and Boyi Guo Xuxu were named after Shang Dynasty in 1 1 century BC. The former site is now Xuchang City, Henan Province. Forced by Zheng, Chu and other countries in the Spring and Autumn Period, it moved its capital to Ye in 533, Xixia County, Henan Province in 524 and Rongcheng County, Henan Province in 524. At the beginning of the Warring States period, it was destroyed by Chu, and later generations gradually had the Xu family.

Second; Legend has it that Emperor Yao is a descendant of Xu You. History has not proved that this man is a mythical figure.