The author puts forward a thesis that the main cause of difficulties In the period of realizing changes In functioning of institutions is a conflict between conditions promoting effective accomplishment of current tasks and conditions promoting reorganization. Taking it into account, the author analyzes ways of realizing projects of changes allowing to overcome this conflict.These ways include: appropriate way of introducing a project into practice, application of reserves, isolation of processes of current functioning of Institutions from the process of their reorganization, and adaptation of the way of performing reorganization from the way of functioninr of institutions with regard to the degree of managerial co-ordination.