In article the analysis of an existential fullness in line with psychology of professional health is carried out. The condition of modern psychology of professional health is described. Idea of an existential fullness within positive psychology and philosophy is described. Major factors of professional health are allocated. Such factor as an involvement into professional activity is in detail described. It is shown, what impact on professonalny health the factor of emotional burning out has. Research of an existential fullness as criterion of professional health is provided and described. The conclusion that represents an image of the average middle manager in the conditions of the Russian reality is drawn. Authors offer also concrete ways of solution of the problem of emotional burning out, an insufficient involvement and a lack of an existential fullness as factors of working process for the psychologists working with staff of the organizations.

Keywords: health psychology, psychology of professional health, positive psychology, existential fullness, existential perspective, involvement into work, emotional burning out, psychology of the organizations, correction of emotional burning out, work psychology