[3] He faced Lee Wen-chung in a Democratic Progressive Party primary for the Nantou County Magistracy in 2013, and lost.
[7] Tang opposed exorbitant penalties against individuals who illegally raise endangered animals, believing that if the private efforts prove more successful than government-supported attempts, the government should respond in a pragmatic manner to promote better methods of conservation.
[8] He has criticized the Executive Yuan for funding civic groups that enable former government officials to collect an income in addition to their pensions.
[9] During his legislative tenure, Tang has repeatedly drawn attention to the increasing personnel costs of the Republic of China Armed Forces,[10][11] maintaining that he favors military spending to be focused on weaponry and research instead.
[16][17][18] Tang has also pushed the government to review immigration policy and foreign spouses who use Taiwanese partners to obtain Republic of China citizenship for themselves and family outside of Taiwan.