| With the development of Internet technology,internet is changing from technical network to social network, and entering into the new social network on the basis of reality world interpersonal relation. The social network is based on real name registered,which achieve the reality of interpersonal communication networks and effectively connecting the virtual world and the real world. The social network gained the favour of college students, and the college students became the major user groups. The resulting communication problems became the of hot research areas of ideological and political education in internet environment.As a way of comprehensive development practicing of human being, communication is an important category of Marxist theory. Communication practice is conducive to the college students'formation of individual socialization and self-cognition, so research on college students'communication behavior in social network has important theoretical and pragmatic meaning. This study will deliver research from the perspective of ideological and political education theory, communication theory, psychology and sociology by the methods of literature research, structured questionnaires and case study.This paper is consisting of four parts: Part one is a general survey of communication on social network, describing the emergence background, theory basis and the definition and characteristics of social network. Part two is the main contents of college students' social network communicative behavior, describing the situation of college students' social network communication and its causation. Part three mainly analyzes the effect of the social network communication on college students. Part four is the analysis of problems and its countermeasures of college students' social network communication, and at last get some inspiration from the perspective of ideological and political education Innovation. |