Abstract: In view of the problems existing in the current railway freight production system, such as decentralized construction, data sharing difficulties, etc., this article restructed and reconstructed the existing system by using micro service, unified PAAS platform, dual active architecture and other technologies, and constructed the railway freight integrated production management system, implemented the centralized unity of front-line production and multilevel management.Based on the reality of railway freight information construction, the article made an in-depth study on the key technologies involved in freight information system integration, and given suggestions on the follow-up implementation strategies.