Tsang is known for Sword Stained with Royal Blood, the 1985 Wuxia TV series that was broadcast on TVB.
In 1978, Tsang competed in Miss Hong Kong Pageant and won as 2nd runner up.
It is tradition for the 2nd place winner to proceed to participate at the Miss International pageant.
On November 10, 1978, Tsang represented Hong Kong in the Miss International 1978 pageant that was held at the Mielparque in Tokyo, Japan, but she was not placed.
In 1985, Tsang is Wan Yee (or Wen Yee, Chinese: 溫儀) in Sword Stained with Royal Blood, the 1985 Wuxia TV series (TVB) adapted from Louis Cha's novel Sword Stained with Royal Blood.