针对高速列车生产线的规划设计、生产仿真和物流仿真等模型的构建，提出了生产线数字化建模的对象、基本原则、一般要求、生产仿真建模、物流仿真建模和数据管理要求，主要包括：建模对象的分类、设备和工装建模要求、生产仿真建模和物流仿真建模等内容。通过应用，实现高速列车生产线数字化建模方法的规范、统一、有序、高效，确保生产线数字化建模技术的快速发展。Aiming at the construction of production line’s planning and design, production simulation and logistics simulation models, this paper put forwards the requirements of modeling objects, basic principles, general requirements, production simulation modeling, logistics simulation modeling and data management of production line digital modeling, including the classification of modeling objects, requirements of equipments and tools modeling, production simulation modeling and lo-gistics simulation modeling, etc. Through the applications, the standardized, unified, orderly and efficient digital modeling method of high-speed train production line is realized, and the rapid development of production line digital modeling technology is ensured.