| Full Name | Yu Yan |
| Pinyin | Yù Yán |
| Date of Birth | 26 May, 1997 |
| Place of Birth | Beijing, China |
| Origin | China |
| Ethnicity | Han Chinese |
| Height | 5' 8" (172 cm) |
| Occupation | Actress, Singer |
| Related Group | THE9, Diamond Girls |
| Alma Mater | Beijing College of Politics and Law, Beijing, China |
| Debut Date | 2015 |