[1] When her husband Chang Chun-hung was imprisoned in the aftermath of the 1979 Kaohsiung Incident, Hsu left her job as a teacher to run for the Legislative Yuan.
[2] Because Hsu was active in the Tangwai movement as a distributor of opposition publications, the Kuomintang raided her house for copies of Senh Kin and Taiwan Weekly in January 1984 and September 1985, respectively.
[2] During her first term, Hsu continued active participation in opposition causes, visiting jailed activist Lin Hung-hsuan in January 1985 and making a May 1986 trip to the United States to address the first meeting of the US Congressional Committee for Democracy on Taiwan alongside Chou Ching-yu.
[11][12] Though she stepped down at the end of her term in 2005, Hsu was reappointed to the Legislative Yuan when Tsai Huang-liang chose to run for the Nantou County magistracy.
[27][28] Her candidacy was nullified in November, as the People United Party had not submitted its petition of signatures to the Central Election Commission by the deadline.