The paper introduces the organizing program of the system in detail and the method for customizing microstation ; expatiates upon the building of map symbolic library and the automated realization process of map border decoration ; explains the design principle of input and output function and analyzes the technical methods for developing important digital map editing functions 文中详细介绍了系统的组织方案和定制microstation的方法；阐述了地图符号库的建立和图廓整饰的自动实现过程；说明了输入输出功能的设计原理；分析了开发数字地图重要编辑功能的一些技术方法。
