During 2017， China's 4G broadband mobile communication has been keeping a rapid growth trend in terms of network， subscribers and traffic flow. Operators and tower companies together improved China's broadband communication quality level. Techniques such as NB-IoT and eMTC support mobile internet develop rapidly， not only in standard， but also in platforms and systems. China's mobile internet-of-things has come into a mass construction period， and will provide the best basis for industrial integration such as industrial internet and vehicle networking.