Actuality of the research topic. Financial stabilization of the national economy is a strategic task of state institutions in the martial law conditions. Formulation of the problem. Military actions on the territory of Ukraine update the issues of implementing a sound financial and budgetary policy for the stabilization of the national economy. Analysis of recent research and publications. The formation and implementation challenges of the financial and budgetary policy of national economy stabilization are revealed in the scientific studies of: J. Keynes, P. Samuelson, J. Stiglitz, V. Tanzi, L. Lysiak, I. Lukianenko, A. Mazaraki, A. Nikitishina, M. Pasichny, Yu. Radionov, I. Chugunov and others. Selection of unexplored parts of the general problem. The current status of the research on the problem requires a clear foundation of the national economy financial stabilization directions. Financial and budgetary policy adaptation to the changes in macroeconomic conditions. Setting the task, the goal of the research. The purpose of the study is to reveal the peculiarities of the financial and budgetary policy of Ukraine implementation and to substantiate the national economy financial stabilization directions in the martial law conditions. Method or methodology of research. General scientific and special methods based on the systematic study of financial and economic phenomena and processes are used, namely: dialectical, complex analysis, scientific generalization, concretization, generalization of theoretical and practical material, sampling, scientific abstraction, economic and statistical. Presentation of the main material (work results). The role of financial and budgetary policy as a tool for stabilizing the national economy is defined. The peculiarities of the implementation of the financial and budgetary policy of Ukraine are revealed. The assessments of the main macroeconomic and financial and budgetary indicators are carried out. Reasoned directions of financial stabilization of the national economy in the conditions of martial law. Field of application of results. The results of the research can be applied in the field of public finance and public administration. Conclusions according to the article. Financial and budgetary policy is a powerful tool for regulating socio-economic processes that in the martial law conditions faces obstacles that make it necessary to strengthen its validity. The strategic areas of the national economy financial stabilization in the martial law conditions should include: ensuring a balance between financing the most state budget critical items, supporting the most vulnerable sections of the population and stimulating of the economy recovery, improving the mechanism for mobilizing budget revenues and increasing the public resources efficiency, ensuring conditions to minimize financial risks and maintain price stability.