Financial information and data is not only an important reference for investors to make investment decisions, but also an important basis for the Securities Investment Research Department of research and research report writing. This paper from the three levels of data integration and storage, information retrieval and recommendation puts forward the technical framework of financial information service system for innovation. On this basis build the Guotai Junan financial information database and unified retrieval platform. The platform provides the demonstration and reference for the construction of information service system for the financial industry with the innovation of data consolidation, data storage, message retrieval, deletion of duplicated and information recommendation.