User-side distributed energy storage is a kind of high-quality adjustable resource which can provide auxiliary services such as peak shaving and demand response forpower grid. With the increasing installation of user-side distributed storage, how to effectively use user-side distributed energy storage is one of the key issues of future development of power system and electricity market. This paper proposes a two-level operation platform architecture design, which is deployed separately from regional energy storage management platform and storage operation platform, and discusses the communication technology and data model which support the operation of platform from five perspectives including system architecture、physical architecture、functional、application architecture and technical architecture. In addition, the article analyzes the operational evaluation module and the assistant module in detail.