Is an accomplished singer and has provided songs for some of her features.
She has been given the nickname "Fairy Sister" by the Chinese public due to her innocent look.
Her father is An Shaokang, a First Secretary in the Chinese Embassy in France and a French language university professor, while her mother is Liu Xiaoli, a dancer and a stage performer.
Her song "Mayonaka no Doa" as recorded by Sony Music appeared on television as one of the ending themes to "Demashita! Powerpuff Girls Z".
In Demi-Gods and Semi-Devils, Liu Yifei's part was first given to Liu Tao. However, after 15-year-old Liu Yifei was spotted, she was given the role of "Wang Yuyan" and Liu Tao was cast as "A Zhu".