Communication subcircle of campus network is an open and relatively closed informationspread subcircle, which is the main battlefield of ideological and political education in college and university network. We have to focus its distinct characteristics, ultimate aim and time mission for reunderstanding the mutual relationship between college’s and university’s ideological and political education and network, valuing instead of adoring internet. The development of opinion leader in communication subcircle of campus network is sally port of a great ideological and political education in college and university, which means we must pay attention on audiencesknowing students, approaching students, then gaining students, on contentsaccumulating details, reviewing details then understanding details, on team  banner, shouting banner, then agreeing banner.