[1] Huang served on the Taichung City Council from 1998 to 2015,[2] when he was elected to the Legislative Yuan after winning a by-election against Hsiao Chia-chi.

[3] Since taking his seat in the legislature, Huang has researched safety standards for young children and participated in discussions about education.

[4] He was named a convenor of the Legislative Yuan's Education and Culture Committee in March 2016, alongside Apollo Chen.

[12][13][14] On 16 October 2021, the Liberty Times reported that Huang had served as an informant for the Kuomintang one-party state during Taiwan's martial law period.

Huang subsequently confirmed the news report on Facebook, acknowledging that he had agreed to provide an intelligence unit with information on friends affiliated with the political opposition during his 20s, while he was attending university.