Stage name: Xu Xian? (Translated by Taiwan Province: Xu Xuan)
Real name: Seohyun.
H: (Seo? Home? Hyun)
Japanese: ソヒョン
Birthday: 199 1.06.28
Constellation: Cancer
Team responsibilities: lead singer, lead dancer
Height: 168CM
Weight:? 48 kg
Blood type: type a.
Family members: father and mother.
Language: Korean, Chinese, Japanese, English.
Major: piano
Lucky number: 6
Education: Rong Da Senior High School (Grade One and Grade Two) Quanzhou Art High School (Grade Three)? Dongguk university Film Department (Registration 10)
Join SM? Otolaryngology: S.M.? Casting? System (03)
Internship time: four years and six months.
Roommates: Tiffany (debut until July 2009) and Xiaoyuan (since July 2009).
Nicknames: the youngest, Maknae, Xiaoxian, Xiaozhuxian, Zerolo, doormat, goddess?