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The main task of power communication sector during the 13 rd Five Year Plan is how to reasonably design the layout with UHV construction of electric power communication optical cable line resource and improve the overall power of the backbone communication network architecture.In this paper,the demand for power communication business is calculated at first.The forecast of demand of business is chosen as the important input parameter for the network topology planning optimization.Then,the adaptability of the business requirements of Hunan province’s electric power network architecture is analyzed by the network simulation.Finally,the paper gives the suggestions of capacity configuration,key sites and links in the backbone ring network.This research method can provide guidance on the planning of the electric power communication network during the13 rd Five Year Plan period.