Having analyzed the problems to exist in regional seismic information system, the new plan based on computer network has been presented in this paper. Meanwhile, the overall network structure and functional plan of city level or regional information center are also described. 文章分析了区域地震信息系统现状,提出了一种以先进的计算机网络环境为基础的地震信息系统方案,并具体描述了其总体网络结构及市级信息中心和区域信息中心的功能规划。