Innovation of Management Accounting and Promotion of Enterprise Competitiveness

China is in the era of rapid development of big data, and the competition among enterprises is becoming more and more fierce. Simple financial accounting cannot meet the development goals of current enterprises. With the rise and development of management accounting, its work function has been gradually concerned by enterprises and society, and some enterprises have begun to realize the use of management accounting to improve their financial functions and enhance their competitiveness. In this scenario, the integration of financial accounting and management accounting is particularly important. Because the rise and development of management accounting in China is short, there are many problems in its application and development. From the perspective of innovative development of management accounting, this paper analyzes the problems of management accounting in modern enterprises, and puts forward how enterprises can use innovative ways of management accounting to enhance their competitiveness and help enterprises get long-term and steady development.