Her career began in 1985 when she joined Hong Kong TVB. As her career developed, she took on variety of roles in TV series and movies. Hong Kong audiences still remember her first appearance in Jacky Cheung's music video "輕撫你的臉" and her performance as Princess Fragrant in Take Care, Your Highness! (皇上保重). Overseas, Maggie has gained a wider audience with roles as Xiaozhao (小昭) in New Heavenly Sword and Dragon Sabre (倚天屠龍刀), Shek Yi-Ming (石伊明) in Blood of Good and Evil (我本善良), Cin Kiu (展翹) in The Breaking Point (今生無悔), Wai Hoi-Yi (韋海怡) in Conscience (第三類法庭), Anson Man (萬安生) in Healing Hands (妙手仁心), Sylvia Hong (康雅言) in The Gem of Life (珠光寶氣), Officer Kat in PTU, and Mrs. Big D in Election.

Filmography