针对铁路物资质量控制存在的难题,提出了构建物资质量跟踪追溯管理系统的必要性,并具体介绍了其建立、实现的全过程及其特点。 Aiming at the problems existing in the quality control of railway materials, the necessity of constructing material quality tracking and traceability management system is put forward. The whole process of its establishment and implementation and its characteristics are also introduced.