With the rapid development of large data, cloud computing, Internet of things and mobile application clothing, the automation level of the power industry has been greatly improved, and the number of intelligent terminal equipment has been increasing. In order to fully realize the technical functions of smart grid, advanced communication technology is needed to support it. With its unique advantages, wireless communication technology has been gradually applied in smart grid. This article mainly combines the technical characteristics and advantages of wireless private network, and compares the advantages and disadvantages of different frequency resources in Xinjiang electric power access network.