Abstract: In order to meet the production and operation needs of workers of different nationalities at the Boten-Vientiane Section of the China-Laos Railway, this paper designed a multilingual strategy for the freight transportation production system of the China-Laos Railway (hereinafter referred to as the freight system). Based on the analysis of the multilingual requirements of the freight system, the paper proposed the overall architecture and technical architecture of the freight system, combined key technologies such as i18n international multilingual library, dynamic and static multilingual strategy to implement real-time switching between three languages: Chinese, English, and Laotian. This strategy significantly enhances the operational and maintenance capabilities and compatibility of the freight system, provides important technical support and practical experience for the international development of the freight system.