With the development of the application of big data, the ways andmethods of financial accounting have changed greatly, which also bringsopportunities and challenges to the financial work of enterprises. This paperanalyzes the necessity and feasibility of financial accounting transformationin the era of big data, and points out the direction of financial accountingtransformation from two aspects of management accounting and intelligentsharing financial accounting. On this basis, the corresponding countermeasuresare put forward.