Abstract
The paper discusses the role of e-portfolio in the development of reflective thinking in a group of pre-service English as a foreign language teachers. It stresses the benefits it can bring (e.g. autonomous learning, cooperative learning - the author highlights the social context of e-portfolio) as well as presents the threats and risks it might bring based on the own experience of the author. The results of this case study showed that the process of e-portfolio building can enhance professional development, self-confidence and the ability to self-reflect own work and progress. The author indicates also the possibilities of its use not only in the groups of pre-service teacher trainers but also in the groups of in-service teachers.