Lu Hsiu-yi became one of the founding members of the Democratic Progressive Party (DPP) in 1986, commencing his political career. Tchen accompanied Lu everywhere, helping him with administrative work and contacts with the public, and helping take her out of the ivory tower of the arts.
一九八六年民進黨成立，創黨元老盧修一開始了政治生涯，陳郁秀又跟著盧修一到處跑，幫忙處理行政工作、與民間接觸，也讓她走出藝術的象牙塔。