It should be noted that professional competence of the teacher is explained by the researchers as an individual’s property, which is expressed in the ability to pedagogical activity; unity of theoretical and practical preparedness of teacher to the implementation of pedagogical activity; ability to productively operate, efficiently solve both normal and problematic situations which arise in pedagogical activity. The purpose of the article is a theoretical substantiation of the essence of self-presentation activity of the English teacher, clarifying the main positions of self-presentation. The article substantiates the importance of studying the phenomenon of self-presentation activity of the English teacher; the essence of the concepts of «self-presentation», «form» is clarified. Self-presentation activity of the teacher is the process of managing the impression about oneself that arises from other people, through the collection of attitudes, sent by the teacher himself, through the involvement of mechanisms of social perception associated with the appearance of the teacher, his personality and communicative behavior and speech. The main forms of self-presentation activity of the English teacher (posterpresentation, paper version of the portfolio, electronic version of the portfolio, video, computer presentation) are specified in the article. The means of influence on others in the submission of their brief characteristics, which are required to enhance the professionalism of teachers, are defined. They are positioning, emotionization, verbalization, detailization, visualization, consideration of attention on «useful» information. Self-presentation as a process of realization of the teacher acts as a unique source of information about personality, level of socialization, particularly the formation of all types of mental processes (perception, memory, formation of concepts, problem solving, imagination and logic), personal system of conduct. It is considered that the disclosure of the issues of the development of diagnostic tools of self-presentation activities of English teachers may be a promising direction of further research.