The majority of the heads of the contemporary enterprises realize the existence of the problems connected with the imperfect management system. This work classifies the acting approaches to the construction of the enterprise management system. The comparison of advantages and disadvantages of these approaches, evaluated from the point of their influence on the enterprise controllability was performed in the course of the classification. The work analyses the reason of appearing new approaches to the enterprise management system and special attention paid to the comparison of the functional and process structures of management and to the evolution of the latter one. The management system is considered to be controllable, if to every management action corresponds strictly determined state of the object parameters, and this system is considered to be uncontrollable or not enough controllable, if the management object changes its parameters spontaneously. Therefore, the task of the enterprise administration is to choose the management system that will take into account the enterprise specification and provide its best controllability