Abstract: With the wide application of big data, accurate management of enterprise information needs to be strengthened. Under the background of big data, aiming at the problem of multi-source heterogeneous data, based on the criticality, uniqueness and long-term validity of master data, it is the best way to realize the enterprise information integration by constructing the master data platform. Through the principle of "multiple data one source, one source multiple distributions", a complete, unified, centralized and unified enterprise information integration mechanism can be built, and a data management system established conforming to enterprise information norms, and realizing the comprehensive sharing of basic information of enterprises and the distribution of unified data, for government decision-making departments to understand and master comprehensively, dynamically and accurately the business registration and production and management.