As an important participant in the Belt and Road Initiative, enterprises have exerted increasingly strong influence in the construction of the Belt and Road. Export is one of the important ways for enterprises to go global. This article takes Beijing-Tianjin-Hebei enterprises as a case, which to analyze the impact of standardization on the export of enterprises to the Belt and Road countries. By constructing evaluation indicators and conducting an empirical analysis, the results show that standardization is conducive to increasing the export profit of enterprises; it helps to enhance the effect of enterprises in the construction of the Belt and Road; at the same time, the impact of the cumulative international standards, which are released, on the export of enterprises to the Belt and Road countries is higher than the role of national standard stocks. To build the Belt and Road better, this paper suggested that enterprises attach importance to the role of standardization.