At present, governments of all countries are stepping up the construction of “energy + Internet”. Besides, the report of the 19th CPC National Congress and the “13th Five-Year Plan” both set expectations and requirements for the development of a clean, efficient and intelligent power grid. The 5G, as a new generation of mobile communication technology after 2020, is the development direction of future wireless technologies. This article conducts 5G network performance analysis and test network verification. Helping 5G + network slicing technology enable grid control and acquisition services and provide support for emerging grid services. Lay a solid foundation for the next evolution of enhanced power 5G technology equipment.