The article deals with revealing the peculiarities of language teachers' professional training in the context of British experience. The notions of philology, linguistics, philologist, linguist, language studies have been outlined and specified in the article. The titles of the curricula and their meanings in reference to language training have been analyzed. The reasons for an abundance of university curricula for language training have been justified. The content of Subject Benchmark Statement on Languages, Cultures and Societies has been defined. It has been stated that such processes as enhancing social values in the society, promoting integration processes and forming positive experience in the synthesis of classical and innovative approaches to training as well as the changes in the functions of training characterize the professional training of language teachers in Great Britain. On the example of De Montfort University the peculiarities of language teachers' professional training, in particular, ESL teachers, have been illustrated. It has been concluded that the methodological basis of future language teacher's professional training at British universities consists of personality-based, competency-based, integrative and differentiated approaches and is characterized by the orientation of the training content to forming and developing students' core professional competencies and rational combination of theoretical practical components.