The communication of Ideological and political education in Colleges and universities is a special and complex process of information interaction. To a certain extent, each of the dynamic development of the elements of communication restricts the effectiveness of Ideological and political education in colleges and universities. Based on the theory of communication elements, A survey of the defects of the elements of communication in Ideological and political education in Colleges and Universities found that these elements exist many deficiencies, for example, Educators as a "gatekeeper" lack of professional quality; Educators regard the educated as "information acceptance box"; There is a gap between the content of educational communication and the value expectation of the educated; educational media as being a “microphone” is out of control and mirage phenomenon of the educational communication feedback as being a mirror. In view of this, It is necessary to utilize such theories and methods as the “Source credibility”, the ”Opinion leaders”, the "Gatekeeper" theory、the "Agendasetting" theory、the “Multiple said method” and the “ One side tip and two side tips”. Seeking optimization strategies from aspects of promoting educators to always keep the "advanced nature";Leading the educatees to hold the right direction of information understanding; Ensuring the dissemination of content with the dominant; Reflect ing presentation skills of communication; Deepening the subjectivity of the educators in the feedback.