Wong was born on 31 January 1967 and raised in Taipei. She completed her secondary school education there. She was enrolled in the drama program of Guoguang Arts School (now National Taiwan College of Performing Arts (Chinese article). She has an older brother, a younger brother and one sister.
Joey Wong was also very well known for the relationship with Chyi Chin, who was a Taiwanese singer. Their relationships lasted about 16 years, from 1987 to 1991, 1993 to 2002. Now they remain friends.
In 1989 she went to Japan to star in the TV series A Woman From Hong Kong. Later she also made commercials and published photo albums. In 1992 she made her singing debut with the Japanese and Mandarin CD single, "Hold You In My Arms Forever". In 1993, she appeared as the White Snake in Tsui Hark's Green Snake, a revision of the Madame White Snake legend told from the perspective of the younger Green Snake, though White Snake remains the romantic lead.
In 1998 she released the extended Japanese CD Angelus and her first and only full CD, in Mandarin, Isolation a.k.a. Isolated From The World.
She returned to semi-retirement after the release of Isolation, but returned once again to films in 2001 with Peony Pavilion, then once again announced her retirement in 2002 after leaving Chyi Chin.
In 2004 she appeared in Beautiful Shanghai a.k.a. Shanghai Story and reportedly appeared in a Taiwanese TV series with on again, off again beau Chyi Chin. It was reported that she enjoyed her return to films and reportedly signed a multi-film contract. However, the unexpected suicide of her friend and former movie co-star Leslie Cheung caused her to withdraw once again from the limelight.
