Exploring the source of Cao Shi

Cao surname Source: Cao Ciguan, taking Guan as his surname.

It is said that in Zhuan Xu, * * * workers fought for the throne with Zhuan Xu, and there was a battle. * * * Workers tried to flood Zhuan Xu with water and were killed by Zhuan Xu. However, the descendants of * * * workers are still water officials, who hold the post of water conservancy in the tribal alliance. During the period of Huaxia Tribal Alliance, there appeared water control heroes Gun and Yu.

Guns have made painstaking efforts, but water control has been unsuccessful. Later, Yu summed up the lessons of the failure of building dikes to block the flow of water, and used the method of dredging the river and blocking the flow to make the flood unimpeded from small to large, and finally controlled the flood and turned it into water conservancy.

When Dayu was in charge of water conservancy, Lu Zhong's fifth son came at the right time. He was named Cao Guan for his contribution to Yu Xia's water control. Cao Guan is also an official who takes soil as a prison and guards slaves. This was not a small official whose main function was to suppress slaves in the slave-owner regime at that time. After taking the official as the surname, it was the beginning of Cao Shi.

Population distribution and statistics of Cao surname;

During the pre-Qin period, Cao mainly lived in Gansu, Shandong and northern Jiangsu. During the Qin and Han Dynasties, Cao Shi was distributed in the north of the Yangtze River and east China. In the early and late Tang Dynasty, there were two great immigrants from the Central Plains to the south, and Cao was one of the surnames of the Central Plains who entered Fujian. At the end of Tang Dynasty and the beginning of Song Dynasty, Cao entered Guangdong and Guangxi.

In the Song Dynasty, there were about 630,000 people surnamed Cao, accounting for 0.8 1% of the national population, ranking 24th. The province with the largest population of Cao surname is Hebei, accounting for 4 1.4% of the total population of Cao surname in China. The distribution in China is mainly concentrated in Hebei and Henan, accounting for about 54% of Cao's total population. Secondly, it is distributed in Anhui, Jiangxi and Zhejiang provinces. There are two major Cao surname gathering areas in China: Hebei and Henan in the north and Anhui, Jiangxi and Zhejiang in the southeast.