Social media, as a new form of public sphere, facilitates the dissemination and discussion of news. The nature and characteristics of social media enable news organizations to interact with their audience in a manner similar to interpersonal communication. However, whether social media can contribute to deliberative communication, which is the foundation of democracy, remains unknown. Therefore, this study examined how Taiwanese news organizations’ strategic uses of Facebook is related to individuals’ engagement levels and online political participation. On the basis of the framework of affordances, content analysis was performed on 1,119 posts gathered on 12 news organizations’ Facebook Pages and 2,501 user comments over January 14-27, 2018. Theoretical and managerial implications of the results are discussed, with a focus on how news organizations may build and host an ideal platform for substantive political discussion.