With the rapid development of network technology, the reform of teaching system in colleges and universities is also deepening. By giving full play to the advantages of network technology, the teaching level can be better improved. Especially after the arrival of the "Internet Plus" era, the means of teaching work in colleges and universities are more abundant, which can provide more diverse teaching contents for teaching work. At the same time, advanced teaching methods are used to explore the construction of counselor's discourse system through the formation of counselors' discourse thoughts, discourse thinking, discourse expression and discourse environment in the process of online ideological and political education, and from the professional development of counselors Innovate the counselor discourse system in terms of international vision, local ideology and problem awareness, and enhance the effectiveness of online ideological and political education.