信息技术是铁路运输管理现代化的核心技术之一，中国铁路所承担的繁重的任务和复杂组织机构，决定了铁路信息系统将是一个非常复杂的巨型系统，其核心运输管理信息系统（ＴＭＩＳ）将是世界铁路运输管理信息系统中最庞大、最复杂的系统，采用集中与分布相结合的结构是最优方案。 Information technology is one of the core technologies in the modernization of railway transport management. The heavy task and complicated organization undertaken by the Chinese railway have determined that the railway information system will be a very complex giant system. The core transport management information system (TMIS) Is the world’s largest railway transport management information system, the most complex system using a combination of concentration and distribution structure is the best solution.