With the continuous progress of my country's social economy and the vigorous development of the market economy, higher requirements are put forward for the management of administrative institutions. The 19th National Congress of the Communist Party of China has put forward new requirements for the management of administrative institutions from the overall and strategic perspective. It must be guided by the people to "do one thing efficiently", make full use of the advancement of modern Internet technology, and promote "one network." "One-window office", "One-event joint office", "Cross-regional office" government services. The article introduces the main content and practical significance of strengthening the application of management accounting, deeply analyzes the problems existing in the application of management accounting in administrative institutions, and proposes specific and effective strategies to improve the application of management accounting in administrative institutions, in order to promote better administrative institutions.