Modern psychological and pedagogical research of professional training of Pedagogy and psychology students is gaining its relevance in scientific research, especially in the field of the "Self-concept". This study aims to study the problem of diagnosis and description of the "Self-concept" of future specialists of educational psychologists of Bachelor degree students in the Republic of Kazakhstan. The sample consisted of 132 students of the specialty "Pedagogy and psychology" of the Pavlodar state pedagogical University and S. Toraigyrov Pavlodar state University, who were men and women aged 17 to 25 years, without work experience. Based on the results obtained, hypothesis of existence of relationship between the "Self-concept" and professional training of future specialists was confirmed.