The economic development of contemporary society is inseparable from the perfect infrastructure，the digital economy also depends on the reliable digital infrastructure，but how to measure the development of digital infrastructure is still the stage of research and discussion.This paper mainly combs the evolution from the communication infrastructure to the information infrastructure，and then to the digital infrastructure，grasp the inherent development trend，design the measurement model，through the definition of “cloud，channel，endpoints” three dimensions of a total of six indicators，combined Collect and collate data on the status of digital infrastructure development in major countries around the world and found the “one superpower and many” phenomenon in the development of digital infrastructure，but more countries are lagging behind，in order to better understand how digital infrastructure will serve and insight the future，in the developed model derived from the current and future-oriented indicators for infrastructure assessment found that differences in national digital base facilities development stage is large，traits are not the same，and then put forward the development trend of digital infrastructure.