The didactic communication is the base of the teaching process, and assimilation of the knowledge. The information we give must be acommodate to the object, didactic matter and the train level of the student’s. The didactic communication can provail upon the students to change themselfs, but to change then’s hearts must be used the emotional way of speaking. Each structural changing suppose a enterely exchange of attituds, which is very hard to realize. An open didactic communication comes from a strategical thinking. It must answer to the teacher’s and student’s expectations, the last wich affirm the right to know and to understand. If to communicate didactic is a servant to make up your own image, then to do a good didactic communication means to make a pozitiv and reach image. The didactic communication is reaching its object when it change the students into a real professionals, abil to get whatever they wont to.