She participated in the 1979 Miss Hong Kong competition and came in 3rd runner-up. She was later discovered by film Director Johnnie To and debuted in his first film The Enigmatic Case (1980).
Her beauty and charm led her to become one of the top actresses in Hong Kong at the time. In her film career, one of her most famous performances was in Mabel Cheung's An Autumn's Tale (1987), where she portrayed Jennifer, an educated middle-class woman who falls in love with a rude and uneducated man played by Chow Yun-fat. The film became one of the most successful romance flicks in Hong Kong film history. She is known as the "Marilyn Monroe" of Hong Kong entertainment industry due to her beautiful looks.
Chung retired from acting in the 1990s. Her last film was John Woo's Once a Thief (1991), which was also a classic.
She married advertising guru Mike Chu in 1991 in the United States. They had no children. Chu was known for his achievements in the Hong Kong advertising industry. Before the wedding, they come into agreement to be "child-free". On 24 August 2007, Chu died of stomach cancer. He was given a Catholic funeral.