In global communication of cultural heritage reflects on the elements that encourage the full democratization of access to our cultural heritage and analyzed from a multidisciplinary perspective, issues such as the interpretation, teaching and means to ensure the full emotional and intellectual accessibility cultural heritage, without impairing the scientific soundness. Realities such as preventive diffusion which allows balancing use and preservation-, advertising, graphic communications or public relations which provide effective connection between potential users and activated heritage resources, ensuring the maximization of human resources and materials-or the increasingly important role of information technology and communication are addressed from a global communicative vision. The theoretical and analytical look at these aspects directs the work is carried out with an updated approach regarding the challenges posed by the new century, in which cultural goods have become powerful assets that should serve the whole society . In this context, global communication is presented as a fundamental component that enables an attractive, sustainable and efficient knowledge of our cultural heritage.