[1] Tsang studied sound design at the Hong Kong Academy for Performing Arts where she graduated in 2001.
While still studying at City University she directed her first solo film Lonely Planet in 2004 which was honored with a Silver Award by the IFVA.
After winning another award at the South Taiwan Film Festival in 2009 for Lovers on the Road Tsang directed her most critically acclaimed work to date Big Blue Lake which won her Best New Director at the 31st Hong Kong Film Awards and the title of Best New Artist by the Hong Kong Art Development Council.
Tsang's work Flowing Stories is a documentary about the small rural village of Ho Chung in Sai Kung District where she grew up.
[3] She received FilmAid Asia Humanitarian Award in 2016 for her projects on environmental issues and disadvantaged communities.