There are several theories about the origin of Chai Xing.

"Tongzhi" contains: "Wood, ginger. Qi Wengong after high school. Gao's surname is Wang's father. The 10th Sun Gaochai was a disciple of Zhong Ni. Chai also took the word Wang Fu as Chai's. Both the Han Dynasty and the post-Chai Wu had thorns. Sun Shouli. After five generations, there were no children, and Zi Rong was the heir. " Jiaozuo Chaijia was an immigrant from Hongdong Chaijiayuan (Zhuang) in Pingyang County in the early Ming Dynasty.

2. It originated from Xianbei, Di and Qiang. From the Tuguhun Department of Xianbei in the Eastern Han Dynasty, it is a Chinese surname.

In the early years of the Eastern Han Dynasty, the Tugu Hunbu of Xianbei, also known as Achai and Ruo, was simplified to a single surname Chai and Ruo in later provincial literature. The correct pronunciation is zhài, and today's pronunciation is chái i.

3. It originated from Mongolian, belongs to Chinese, and changed its surname to surname.

Allah, the founding hero of Genghis Khan Temujin, suddenly lost his Bujiti Huli. When Genghis Khan was enfeoffed, Allah suddenly lost the jurisdiction over 5,000 households in Wanggu. Chergui Ti is a branch of Jiti Huli, whose surname is Bu. After the middle of the Ming Dynasty, Mongolian Chergui Ti, who made great contributions to the Ming Dynasty, took the homophonic Chinese characters of the original tribal names as the Han surname, that is, changed the Han surname to Chai.

4. It originated from Manchu, belongs to Chinese, and changed its surname to surname.

"Manchu Eight Banners Surnames" records: Manchu Samirror, also known as Sepp richter, originated from the surname of Nuzhen in the Jin Dynasty, took his surname as his surname, and the Manchu phonetic alphabet was Semilhara, living in Cha, Sakhar (now the north bank of Heilongjiang)? Brittany River basin), Qiqihar, Changbai Mountain area and Heilongjiang coast, and later changed China's surname to Chai and Sai. Then Chai Xing appeared among Daur people.