Abstract: This paper investigated the business data and model for power grid dispatching field using the method of enterprise information resource planning and analyzed the overall situation of dispatching service.This paper put forward the key technology to realize data integration based on the principle and method of master data management,including: data object the unified code,unified data modeling technology based on master data management and maintenance mechanism,the SOA data integration and sharing mechanism based on.Finally,it put forward the integrated supporting management measures corresponding platform construction and data,include:preparation of technical standards and the corresponding management system,to ensure that the data integration platform construction and maintenance work orderly.