本文从“走出去”的宏观经济趋势背景出发，探索促进中国铁路发展的动因和趋势，结合全球铁路建设需求和制约市场选择的要素，定量分析了中国铁路“走出去”的市场规模和细分市场，筛选出中国铁路“走出去”的重点区域和重点项目。

Based on the macro-economic trend of "Go Global," this paper explores the motives and trends of promoting railway development, and combines the requirements of global railway construction and the factors restricting its marketing choice. This paper utilizes quantitative analysis of the market scale and segment of China Railway's "Go Global" strategy, and selects the key areas and projects related to railway marketing demand.