The era of "all things connected" is gradually approaching. Since 2017 NB-IoT (Narrowband Internet of Things) ushered in large-scale commercial applications in China. All major telecom operators and network equipment providers have accelerated the pace of industrial distribution in order to boost the development of the domestic Internet of Things industry. Experts said that the Internet of Things is coming. However, the development of the Internet of Things often faces the phenomenon of fragmentation of technologies and applications. To overcome this difficulty, it is necessary to unite the efforts of all sectors in the industry to increase openness and cooperation and build an ecological environment where Dalian can connect and cooperate with each other.