行政院經濟建設委員會
In 1992, she was the deputy convener of the Democratic Progressive Party (DPP) Caucus in Legislative Yuan, and convener in 1995. From 2000 to 2002, Yeh was third in the Cabinet in her position as Minister of Transportation and Communications. She was Chairperson of the Council for Hakka Affairs from 2002 to 2004. In 2004 she was named Vice Premier, as well as Minister of Consumer Protection and Minister responsible for the Council for Economic Planning and Development. In late 2005, she became the first female acting mayor of Kaohsiung when then-mayor Frank Hsieh was appointed Premier.