Chien, whose real name is Qian Bai Yu (錢柏妤), was born on June 5, 1983 in Taipei, Taiwan. Her immediate family consisted of her parents and a brother. Chien's grandfather was of Portuguese and Kazakh descent.
She graduated from the beauty department of Nanhua School of General Education.
At sixteen, Chien began working as a model. She had a minor role as Mei Jia in two episodes of Meteor Garden in 2001. Chien followed with two guest spots in Spicy Teacher. In 2005, she had small roles in Eight Heroes, Ping Pong, and Da Han Tian Zi 3. Her first lead role was in Wind Warrior (2005) opposite Gregory Wong. She appeared in The Legend of Lu Xiaofeng in 2007.
In 2010, she had a reoccurring role in Rookies' Diary as the girlfriend of Chen De Lie's character. Chien played Miranda in the 2011 series, Material Queen starring Vanness Wu. She starred in Love in the Wind with Jian Man-shu and Figaro Tseng in 2012. The same year, she had a guest role in the first episode of Lady Maid Maid. In 2013, Chien appeared in two films, Killing Seven and Golden Future, and had a small role in Love Around. She had a reoccurring part in 2014's Once Upon a Time in Beitou. In 2017, she had a lead role in the film, Falling in Love.
|2001||Meteor Garden||Mei Jia||Episodes 12-13|
|Spicy Teacher||Xin Di||Season 2|
|2002||Spicy Teacher||Kai Li||Season 3|
|2005||Eight Heroes||Xiao Xiao|
|Wind Warrior||Li Zhu|
|Da Han Tian Zi 3||Zhao Ni Zi|
|2007||The Legend of Lu Xiaofeng||Gong Su Su|
|2010||Rookies' Diary||Tian Xin|
|2012||Love in the Wind||Mo Li|
|Lady Maid Maid||Bao Luo's girlfriend||Episode 1|
|2013||Ju Dao Yishi Qing||Xiao Yao|
|2014||Once Upon a Time in Beitou||Xiao Que|
|2017||Biao Feng Lao Die|
|2013||Killing Seven||Zheng Meng Ying|
|Golden Future||Bar owner|
|2017||Falling in Love||Yuan Xiao Hui|
- She changed her stage name from Bai Yan An (柏妍安) to Qian Bai Yu (錢柏渝) in 2009.