The article analyzes the approaches to defining the essence of the concepts "readiness" and "future foreign language teachers' readiness for innovative activity in the context of smart education". The analysis of scientific sources made it possible to find out the specifics of the content nature of the concept under study and to provide our vision of the problem. The readiness of a foreign language teacher for innovative activity is defined as the ability to organize, realize, and regulate vocational and pedagogical activities. It is determined by many factors, among which the most important is the formation of educational, linguistic, and innovative competences. Its structure, which is represented by the motivational, cognitive, creative, reflexive, valeological, technological, and personal components, has been specified. They are based on the provisions on the criteria of teachers' readiness for innovative professional activity and the researchers' models of teacher training for innovation. Integrating the results of domestic and foreign scientists' researches on the specificity of the level-based approach to determining the levels of students innovative competence, and taking into account the experience of our work at a higher educational institution, allowed specifying three levels of formation of future foreign language teachers' readiness for innovative activity in the context of smart education and their characteristics. The theoretical methods used during the experimental study included analysis, synthesis, generalization, modeling, comparison, induction, deduction. The statistical analysis of the data was carried out using the non-parametric Pearson xi-square test.