[3] Cheng Yu-cheng died of a heart attack at National Taiwan University Hospital on 7 January 2025, at the age of 78.
He began his political career as leader of the area in 1977, before taking a seat on the Legislative Yuan in 1981.
[6][7] In August 2002, Cheng flew to the United States, after he and his legislative aide Sophie Wang had reportedly married in July.
[8] He retained former legislative colleague Chiu Chang as his legal representative while seeking a divorce from his wife Lu Pei-ying.
[10] Cheng kept his position as a legislator,[11] but left the Democratic Progressive Party in November 2002,[12] days before he was formally expelled.