Cheung is considered a "Sing girl"—an actress who first received media attention through starring alongside Stephen Chow, and later went on to her own successful career.

[citation needed] In 1998, Cheung was cast in a television commercial advertising lemon tea, which caught the attention of Stephen Chow.

She was nominated for Best Newcomer at the 19th Hong Kong Film Awards for both King of Comedy and Fly Me to Polaris, and won for the latter.

[10] Cheung played old Shanghai diva Zhou Xuan in TV series The Wandering Songstress (2008),[11] after which she took a break from acting and gave birth to two sons.

She has earned 70 million HKD in 2014, ranking number nine in the top ten list of Hong Kong's highest celebrity incomes in 2014.

[23] In 1999, Cheung, then a newbie actor, was reportedly threatened with rape by triad members due to her father's massive debts.