Early cao surname was born in shandong, in shandong province for a long time to live and multiply.As for the migration of shanxi, shaanxi, hebei, anhui and other places, is after a long time.

Cao chaos after The Three Kingdoms, the simple, not only by cao cao take the surname, and take the record of last name after he was samarkand.

Han, cao has been widespread in the north and anhui and other places.This is cao is a very important breeding period.

At the end of tang dynasty, cao surname large-scale migrating south jiangnan.Residents in northern cao surname ancestor to avoid huang chao uprising uprising, the family migration to the south, some exhibition has been transferred to fujian, zhangzhou area.After trace around also appears in the south of fujian, were the migrating south cao generation after long-term breeding, from the results.

In southern fujian those around him, and later moved to Taiwan.Now, nantou, Taiwan changhua had the most cao and Taipei county.

After the song dynasty, cao has s China most of the region.

Qin and han dynasties:

Han cao has been widespread in the north and anhui and other places, including from ji Zhu countries around him, the posterity in qiaocheng county, han cao which belong to the team.At this time, cao is today's northern shandong, anhui, henan, jiangsu and other places the most concentrated distribution, and then divide the main county at cao family throughout the region.When the eastern han dynasty, cao moved to zhejiang, anhui and other places.

Wei jin southern and northern dynasties and sui and tang dynasties:

Wei jin southern and northern dynasties, due to the war-torn north, cao spree migrating south, the family moved to zhangzhou (now fujian), after gradually to the deep, nanan, fujian anxi, seriyama, etc.

Aquilar family migrating south eastern jin period

Late western jin dynasty, the last 16 years of chaos "of" eight king, make SiMaShi regime forces out, after the western jin dynasty perish, shay smart claim to be the king in March the following year, the regime established in jiangnan.In 318 AD, emperor syma we need his death to health, hence after emperor, its capital health (i.e., today the nanjing) of south of the Yangtze river, is still of name for jin, history of eastern jin.In A.D. 383, the former qin di clan aristocracy regime with 870000 troops south, in an attempt to capture the jiangnan, eastern jin with 80000 troops to fight, defeat the qin in anhui province at the water.In war, cao forced migration.

Cao county in anhui pier head of Mr Descendants when the three countries, according to the pier head around genealogy (qing cao surname people fix), 17, and thus sai-jo aquilar (birth han) to filial piety to smell.Daxing year (320) was secretary Wang Dao and zhou (kay - a few +) recommended Ren Nachao academician in the book, he was in the second year (321 years) after the officer to avoid conflict, rate from the more than 1300 people across the river, family clans in Beijing (i.e., now of zhenjiang city, jiangsu province).In war-torn, cao mouth scattered migration from Beijing again, some to ying fusu, some go to danyang (now shaanxi and henan provinces north of danjiangkou hydroelectric), some of the hongdu (old name of jiangxi nanchang mansion), and some went to zhejiang (today), zhejiang province, some go to fujian (now fujian), xinan (now suining county in jiangsu province), some to have transferred to the jiangbei (refers to the south of huaihe river north of the Yangtze river and east of dabie mountain areas today, modern refers to this area north of the Yangtze river in jiangsu), separation of 18.