Organization and psychology are inter-related. A few trends have emerged in the field of strategic Human Resource Management over the past few years. Here, we will describe, why psychology is important in organizational performance. This paper considers the two major areas that comprise the broader domain of the field i.e. (personnel psychology and organizational psychology). The integration between the psychology and human behavior’s management is arguing the main factor depicting HRM theory and practice from its more traditional personnel management roots. The human factor is considered as the main point in the psychology of the management, as its importance and a core thing. Studying the psychology management, we study the psychology of the person, his various and the most important thing – influence of person’s mental action, on activity; and influence of that activity on psychology and behavior of that person. The psychology of management is the branch of psychology, studying mental features of an individual and its behavior in the course of planning, organizing, managing and controlling the joint activity.