Annotation. After Ukraine gained independence, there was a question of ensuring financial security and maintain it at a high level. The basis of the financial security of the state as a whole is its security budget. Budget security - a condition to ensure the solvency of the state, taking into account the balance of revenues and expenditures of state and local budgets, and efficient use of budgetary funds. Budget security is an important condition for the formation and functioning of the budget system of Ukraine, is the criterion for the efficiency of its fiscal policy and the organization of the budget process. Budget security management problem finds its place in the scientific works of many scientists. The article deals with the essence of the budget of security as an important priority of the budgetary system as a whole are determined by the criteria of its formation, analyzed the deficit dynamics (surplus) budget and the performance of its financing, disclosed the main threats that affect the fiscal security of the State and indicated ways to increase its level in Ukraine. The research results show that the Ukrainian budget is in deficit for many years. It is concluded that the security budget in Ukraine is not fully observed. Therefore, to improve and maintain it in good condition, proposed a number of measures: Optimization of the public debt structure in terms of the relation between short-term borrowings and long-term; ensuring effective management of contingent and transparent (warranty) debt obligations of the state, that provides for the implementation of such measures: security ensuring strict and clear rules of State guarantees loans; implementation of a proper distribution of risks between sides credit agreement; setting an upper limit state liability upon the occurrence of warranty case; the introduction of the investment direction of government loans. The main task in the field of security budget should be stable development of the country's budget system in the direction of the accumulation of financial resources for economic development and its resistance to the potentially negative impact of external and internal risks and threats.

Keywords: budget security, financial security, criteria security budget, the budget deficit, internal and external threats, tax burden.