The modern theory of management budgeting plays the special role. The questions related to development of theory of budgeting and practical aspects of the use of the research and information systems of budgeting are to date a point at the active issue of scientists and practical specialists-workers.In labours of home specialists the theory of budgeting, as a rule, is related to the problems state budget. It, mainly it contingently the protracted period of existence of plan economy in Russia. In modern literature attention to budgeting grew sharply, but, unfortunately, authors examine the only separate elements of theory of budgeting.A budget is the plan of activity of company, shown in financial and/or quantitative indexes (articles), made for a certain time domain in future.As well as any other plan, a budget must be worked out, concerted and ratified, whereupon he acquires status of internal normative document obligatory for execution. Essence of the budgetary planning consists herein.Farther more actual execution of budget is subject to control, any rejections must register oneself, and their reasons - exposed to the analysis. Totality of functions of planning, control and analysis makes essence of budgeting within the framework of modern approach.