Internal communication; organizational culture; public communication; communication performance.

The actual society needs to communicate, and when we involve the social communication and the public sector we observe that we are involved in a constant transition, offered by the technological development. This evolution presents us with a need to study, to understand and to adapt to the new reality. This study aims to diagnose the performance of the internal communication process of the Health Sciences Center of the Federal University of Rio Grande do Norte, structuring the internal communication process; identifying routines and communicative tools used; and discerning possible communication barriers. Using the questionnaire as an instrument for data collection, for verify the variables of the server profiles and the internal communication processes, involving aspects such as: investments,  commitment, and disclosure of policies and guidelines of the institution, among other aspects. The research universe comprises 222 active servers linked to the center in October 2017, and the expected sampling for convenience or employee availability. know how occurs internal communication on the Health Sciences Center is of great relevance, for being an instrument of improvement in the area, softening problems of relationship and communication within the organization, in which it interferes, both in the interpersonal relationship of the servers as in the quality execution of its services, serving as a facilitator in public administration.