This research is to explore the decision-making process of new policy of working hours and its influence on the industrial relations network? This study uses the texts of political discourse that legislators interrogated with government officials in Taiwan Legislative Yuan. This text is focused on Article 30 of the Labor Standards Act. The main research methods of this study include quantitative study, and qualitative analysis. The process of policy making is constructed from industrial of ideology, policy of interest, and the opinion about industrial relations. The main results of the study are as follows: 1.) On the industrial relations network, the new working hours policy has main influence on the labors than on the employers. 2.) On the content of political discourse: the labors concern for the right and equality, with as the employers concern for economical perspective. 3.) Labors and employers have different strategies to respond the change of working hours policy.