Cheng Yu-cheng

Cheng Yu-cheng (Chinese: 鄭余鎮; pinyin: Zhèng Yúzhèn; 12 January 1946 – 7 January 2025) was a Taiwanese politician.

Cheng Yu-cheng MLY
鄭余鎮
Member of the Legislative Yuan
In office 1 February 2002 – 31 January 2005
Constituency	Taipei County 2
In office 1 February 1990 – 31 January 1993
In office 1 February 1981 – 31 January 1987
Personal details
Born	(1946-01-12)12 January 1946 Xinzhuang, Taipei County, Taiwan
Died	7 January 2025(2025-01-07) (aged 78) Zhongzheng, Taipei, Taiwan
Political party	Independent
Other political affiliations	Democratic Progressive Party (1987–2002) Non-Partisan Solidarity Union (2004–?) National Health Service Alliance [zh] (2011–2020)
Education	National Taipei University of Technology (BS)

Background

Cheng was born on 12 January 1946.^[1] His father Cheng Chien-bang was active in the tangwai movement.^[2] The younger Cheng studied at the National Taipei University of Technology.^[3] Cheng Yu-cheng died of a heart attack at National Taiwan University Hospital on 7 January 2025, at the age of 78.^[4][5]

Political career

Cheng was raised in what became Xinzhuang District of New Taipei. He began his political career as leader of the area in 1977, before taking a seat on the Legislative Yuan in 1981. He won a second term in 1983, but lost the 1986 elections. Shortly thereafter, Cheng joined the Democratic Progressive Party. He returned to the legislature in 1990 as a DPP representative. Cheng subsequently lost a string of elections until regaining his seat in 2001.^[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.^[9] However, the divorce was never finalized.^[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.^[13] Cheng then became an independent before joining the Non-Partisan Solidarity Union upon its founding in June 2004.^[14][15] He ran for the Legislative Yuan twice thereafter, in the 2004 and 2012 elections.^[16][17]