In order to improve the efficiency and interaction in ideological and political teaching, the paper proposed the interactive model in design process of ideological and political teaching system based on computer network. Participate in various stages of the project according to the progress of the project, and finally complete the system development together with the members of the project group. The development of ideological and political education of university network system's goal is to establish a management information system. By using advanced information system development technology, the paper makes full use of the information network platform and explores the information pattern of ideological and political work. As a part of the political work, the information of Ideological and political education is the realization of the network teaching. It can break the limits of time and region by realizing online learning and communication. The conclusion is that information technology can improve the effectiveness of Ideological and political education.