1, from the descendants of the Yellow Emperor, gave the son of heaven his surname.

2. Descendants from Xiangyang, the youngest son of the Yellow Emperor. According to the records of Tang Shu, Prime Minister's Genealogy Table and Zuo Zhuan Zheng Yi, it is said that the youngest son of the Yellow Emperor, Yu (Yu) Yang, was sealed in Ren Guo (now Jining City, Shandong Province), and later generations took the country as their surname. During the Zhou Dynasty, Xie, Zhang, Xue, Shu, Lu, Zhu, Zhong, Quan, Bi and Guo were all descendants of Ren.

3. It was spread by ancient pregnant surnames. It is related to female pregnancy and can be considered as one of the ancient surnames produced by matriarchal clan society.

4, from the wind surname. According to Tongzhi Genealogy, it is believed that the descendants of Ren Shi were after Tai Hao: the country with Feng surname, so the address is now Jining, Shandong Province, and the descendants of Ren Shi took the country as their surname.

5. Some people changed their surnames. For example, Xuan, the son of Yuan Dynasty, changed his surname because of taking refuge, and later generations also called it.

6. Ethnic minorities change their surnames. According to Shu Wei, Ba (Banmu Dun) Yi Shuai has a surname; In addition, the Xixia, Hani and other ancient ethnic minorities in the Ming Dynasty all had surnames. Today, Yao, Hui, Manchu, Mongolian, Tujia, Qiang and Shui all have this surname.