Abstract: The ideological and political course is the course of cultivating people by virtue. The ideological and political classroom should follow the teaching principle of "people-oriented" and construct the interactive teaching mode of "people-oriented" and "student-centered", so as to effectively mobilize students' learning enthusiasm and initiative, and then generate affinity and influence, and really achieve the actual teaching effect. It is difficult for traditional classroom to achieve full-time interactive teaching effect due to technical constraints. For this reason, in the classroom interaction of situation and policy courses, the author uses the "good bullet screen software" of modern Internet technology for teaching interaction. This paper focuses on the challenges faced by traditional classroom teaching methods in Ideological and political lessons, and analyses the use and effect of good bullet screen software in interactive links.

Key words: Good barrage software, Situation and policy, Interactive teaching mode