While she was attending high school in 1993, she was discovered while performing in a restaurant in Taipei, where many known pop artists began their careers.

She was offered a contract with Taiwan's What's Music Record label and began work on her first commercial album, all before the age of 19.

Her fourth album, Ri Guang Ji Chang (Sunlight Airport) was completed in 1998 and sold 800,000 copies in Taiwan, but over 3 million copies in Asia, permanently placing her in the company of Asian divas such as Faye Wong and Sandy Lam and becoming an integral part of a new Mando-Pop era including Coco Lee and A-Mei.

In 2001, she decided to broaden her professional career by acting in her first TV drama with F4, Taiwan's boy-band equivalent to 'N Sync.

[2] In October 2011, Valen announced the start of her concert in Shanghai Grand Stage, which will span from Taiwan, other cities in mainland China and South-east Asia.

[3] In 2006, she filmed a full-length movie with Hong Kong director Patrick Tam entitled Fu Zi, or After This Our Exile as translated.

[4] In 1999, she traveled to Rwanda, Africa with the World Health Organization and other Asian celebrities to perform charity work, filming a commercial and raising funds for donation through sales of an E.P.

entitled Wo Niu (which means "Snail"), written by Jay Chou, one of Asia's male mega pop stars.

In 2006, Valen and her friends, Charlie Yeung, Gigi Leung and Angelica Lee formed "Hope Education Foundation", which is a non-profit organization to help children in need.