Challenges on the way of European integration of Ukraine

European integration is extremely important for Ukraine. Aggravating security problems forced the international community to form a unified understanding of the significance of providing financial support and intensifying the European integration of Ukraine. European integration processes are a significant factor in changes in social development, economic relations, and financial and institutional systems. Therefore, to accelerate the European integration transformations of Ukraine, it is significant to study the current social and financial challenges. The purpose of the study is to summarize the national experience of overcoming social and financial challenges that accompany the process of European integration of Ukraine under martial law. This determined the research task to substantiate the social and financial challenges caused by Russian aggression and affecting the European integration of Ukraine. The study object is the system of Ukraine's state finances. The research materials are norms of national and European law regarding EU cooperation with Ukraine; and scientific research of domestic and foreign scientists and researchers. In the study course, using the methods of scientific abstraction and generalization, the factors influencing the process of European integration of Ukraine and the risks accompanying it were identified. Qualitative changes in the social development of Ukraine in the conditions of martial law were determined by the methods of economic and financial analysis. The author offers an interpretation of the essence of the European integration and reveals its features financial mechanism. It has been proven that new forms of financial relations were introduced under martial law. Activating financial and social partnerships contributed to the growth of the financial potential of communities and associations. The role of budgetary and humanitarian aid and initiatives supported by national and international donors is significant. Further research is proposed to focus on the formation of a single market with the EU, coordination of industries' financing mechanisms determining the export potential of the EU and Ukraine, improving the financial mechanism of European integration, and economic, social, and environmental. restoration of Ukraine by attracting international donor funds.