As a result of the author's theoretical and empirical research, a Music Therapist Professional Competence Development (hereinafter – MTPKA) model has been developed, which conceptualizes the path of development of a music therapist's professional competence in accordance with the professional standard and educational standard throughout the professional career of a music therapist. The MTPKA model is an important basis for identifying and evaluating the needs and opportunities of the study process, content, professional development and further education.