This paper introduces the design and realization of the e-map data management system from various aspects such as data sources and storage device numbering, system architecture, database design, and system functioning and application. 本文从数据源、存储设备编号、系统构架、数据库设计、系统功能与应用等多个方面介绍电子地图数据管理系统的设计和实现。