对天津邮区中心局函件分拣封发计算机管理系统的设计（ 包括总体设计、结构设计、数据库设计和功能模块的设计） 作了详细的介绍。认为该系统运用了先进的网络技术、计算机技术、条码识别技术和ＩＣ 卡技术，是集给据邮件（ 挂号函件） 分拣封发生产和管理于一体的综合性的计算机网络系统 The design of computer management system of sorting and sealing correspondence (including the design of the whole system, the structure design, the design of database and the design of the function module) of the mailing and mailing center of Tianjin post office is introduced in detail. It is considered that the system uses advanced network technology, computer technology, barcode recognition technology and IC card technology. It is a comprehensive computer network system that integrates the production and management of sorting, sealing and mailing according to mail (registered mail)