Abstract: This paper proposes a typical report system design in SaaS model, the key point is to systematically present a SaaS report system architecture by combining the characteristics of SaaS multi-tenant, high reusability and report system architecture. By redesigning and combining the traditional report function components in SaaS model, we solved the problem that the traditional reports were not applicable to the situation for large amount of data, high reusability and high usability, and proposed the specific technical means: unified data model, report multi-tenant, neutral format export, etc. The report system has been applied and verified in the state grid system, and achieves good results.

Key words: software as a service, report, unified data set