It conceived the concept of data whole-life management in the environment of enterprise integration. Facing many different data storage systems and data types, and different storage formats of one kind of data, it designs an extensible and function-open system integration platform based on J2EE technology. Through its intelligent management of data storage system, the system shields the different storage systems from its ultimate users. And through the function models with the functionality of transforming data stored in one format into the one stored in another format deployed onto it, the system can manage different storage formats and make them transparent to users and realizes Data Transformation Management. Through the universal format described in XML transformed from other different formats by function models, it makes the internal structure of one data ventilate to the out world and realizes Data Integration, as the basis of Business Integration.