Integration of enterprise information system based on middle platform architecture

In order to solve the problems such as data sharing among integrated systems, weak continuity of business processing, information islands and so on when enterprises build information platforms, this paper proposes enterprise information system integration based on middle platform architecture. Starting from solving the problem of "isolated island" of enterprise business and "isolated island" of data, and realizing the sharing and interoperation of data and business, this paper expounds the important significance of the integration mode based on middle platform for enterprise information development and integrated information construction. Aiming at the problems existing in system integration and the shortcomings of system integration methods, this paper puts forward an overall framework of enterprise integrated information system, which can better optimize information and business processes, improve information sharing, timeliness and completeness, and meet the continuous informatization needs of enterprises. Finally, the case study of A company provides theoretical and practical reference for the informatization system integration of Chinese enterprises.