In the aspects of network infrastructure，network security products，mobile payment，mobile social tools and cloud computing services，the report reviews the application of mobile internet within the Belt and Road Initiative in 2018，believing that the development potential of China’s mobile internet will continue to increase in countries and regions along the Belt and Road. But the challenges of both the enterprise itself and the external environment also exist. In order to enhance the role of China’s mobile internet in the construction of the Belt and Road，it is necessary to strengthen core technology research and development，implementing localized operations and enhancing the influence of corporate brands.