This work has its focus on the effect of the background presentation on the success of presenting in public. In the first part the work defines the term of assurance, defines the speaker, comparing present and ancient orators, defines the role of the colours in the presentation, names the qualities of good background presentation, explains how visual communication affects the public perception, shows the presentation of analysis and public experience of the presentation. In the second part of the work, primary research is shown whose aim was to determine how the quality of background presentation affects on the perception and memory of the audience. For the purposes of this research a special questionnaire and two background presentations for identical presentation were made. One of the presentations is made in according to all the professional recommendation, and the second presentation was made opposite to defined qualities of presentations. Part of the examiners saw the first presentation, and other part of examiners saw the second presentation. The questionnaire of quality of the presentation was given to all the examiners, and the memory test as well. Research was made with the students of University North in university center Koprivnica.