Power grid data has become an important asset of the enterprise, but power grid enterprises lacks effective technical means to solve the grid data assets life cycle monitoring and management. From the design principle of component, loose coupling and standardization, the power grid data assert management platform based on SOA is designed and realized. It designs a method of capturing the database log to realize real-time acquisition of data assets information change, and account management, management of the panoramic view, daily monitoring and management, traceability management, valuation management and process management data asset management the core function, and realizes the standardized management of grid data assets, and shows the status of data assets from the business, technology, management and other perspectives.