Lang studied with pianist Sheng Yuan at the
Central Conservatory of Music in Beijing. During her college years, she performed at the International Keyboard Institute and Festival in New York and OpusFest in the Philippines. In 2009, she was invited to be the piano soloist at the opening ceremony of the
2009 Winter Universiade in Harbin. She began switching to acting in 2011, when she worked on stage with
Pu Cunxin in the play
Ivanov. In 2013, Lang appeared in the first of two
Johnnie To films,
Blind Detective, and has since acted in many movies and TV series. In 2015, she won the Asian Newcomer Award at the
20th Busan International Film Festival. ==Filmography==