Xian is one of the surnames of China. Cun pronunciation, Chuán pronunciation in the ancient sound. The names are Chen Xian, Xi 'an Longyan, Xi 'an Wang Gui and so on. Probably originated from the surname Ji, from the official position of the Zhou Dynasty, belonging to the official title. Guan was a kitchen official who prepared food for the royal family in the court of the Western Zhou Dynasty, commonly known as Huotouguan, and was responsible for cooking fire.

"Cuan", today's "stove", is used to place food without feet. "Big soup is cooked in Cuan", which means cook the meat and broth. A vessel without feet is called a pot. It can also come from the Zhu Rong family, from the fiefs of Ban Biao and Bangu in the Eastern Han Dynasty, and belongs to the fief name.

Cuan clan

Cuan clan moved south from the Central Plains to the Han people, and cuan clan was named as a descendant of Ban in the Dragon Monument. At the end of the Eastern Han Dynasty, Ban took "Cuan" as his surname, that is, "the city was sealed in Cuan because of the clan". When he arrived in Shu Han, he was the most popular in the south, and then "moved to Shu and flowed to the south" and settled in Yunnan.

In the five years of the Eastern Jin Dynasty, he ruled Ningzhou, and his family was divided into different parts. During the 400-odd years when Emperor Xuanzong of the Tang Dynasty destroyed zhaonan in Tianbao in the seventh year, cuan clan ruled Nanzhong with the titles of secretariat and satrap. Due to the decline of the Central Plains dynasty or the division of the country at that time, the court was unable to govern South China, which made cuan clan form a ruling situation of "opening the door to save time and closing the door to claim the throne".