Oral presentations are a tool that should fear above all things the ability to transmit the knowledge to the people who are listening to us, and this transmission must be more effective, so there are specific programmes which provide us the elaboration of these films, providing different nuances in terms of style, size color, movement, etc, but without adequate planning of the presentation that we perform can not comply with its objectives. Firstly it is very important to plan the presentation that we will perform, s say keep in mind is the issue we want to address, and specify which is the main idea we want to convey, then noted the secondary theme ideas. It is very important to identify the type of audience which we are going to target, since depending on this we will use different expression techniques. Security in what we are saying is a determining factor since this demonstrates handling we have on the subject. Before starting the presentation it is advisable outlining what are going to expose in a didactic manner, with which you can do using the technique called mental maps, through which we can summarize the most important points of our exposure in the form of diagrams. One aspect that we can not neglect is the Auditorium in which we are going to make the presentation which should be spacious, ventilated with adequate lighting, because we have to make sure listeners are more comfortable as possible. Likewise it is necessary to know which are the rules of the place where we will expose, as many have with computer service, coffee break, host etc., it is important to be how much these details since they can save us valuable time. According to specialists in the field of oral presentations, if you use sheets, these should not spend ten, and the duration of exposure should not take more than 20 minutes, this in order not to tire the listeners, since if we have clear the concepts we want to convey it is an ideal time to do it.