Timeliness of the study of students’ psychological readiness development for their professional activities is shown. Its constituting elements are presented. Profound characteristics of these elements are given. The results of the longitudinal study of dynamics of these characteristics are laid out. 25 defectologic education students took part in the longitudinal study (2012–2015) conducted on the basis of Kemerovo State University. In the course of empirical study the authors described dynamics of profound characteristics of the constituting elements of students’ psychological readiness for their professional activities depending on the year of study.