Information exchange about school affair （IESA） is a kind of measure for promoting democratic management and facilitating construction of harmony campus （CHC）. Form the desire of CHC, the relationship of IESA and CHC is discussed, and the design and core technology of achievement of IEPSA is elaborated.%校务信息交流是促进民主管理、构建和谐校园的根基。从构建和谐校园的要求出发，阐述了校务信息交流与构建和谐校园的关系，并着重论述了校务信息交流平台的设计及实现的关键技术。
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