On 23 April 2008, while filming the Taiwanese drama Miss No Good in San Chih, Taiwan, Yang fell heavily from the stairs, and was sent to Mackay Memorial Hospital in Taipei.The stairs were located between the third floor, where the dressing room was located, and the first floor, where the film set was located.The crew originally thought the falling object was a light frame, but upon hearing a groan, they realized it was her.
She was an alumnu of Hwakang Arts School in Performance Arts.
Yang began her career in 2000 as a member of Taiwanese girl group 4 in Love, where she was given the stage name Rainie.
In 2006, she released her second album, Meeting Love.
On 8 January 2007, Yang recorded her last Guess episode due to her busy schedule and focus on her musical and acting career.
In 2011, Yang released her sixth studio album Longing for..., which features the song "We Are All Silly", an interlude of Love You.