As an extension of the power backbone communication network to load terminal, the terminal communication access network is an important part of the power communication network. With the rapid development of communication technology, the technologies applicable to the terminal communication access network are diversified. The matching of the most suitable communication access technology for different power terminal communication services is the prerequisite to improve the communication efficiency and to ensure the communication service quality. This paper deeply analyzes the communication technology and service requirements of the terminal communication access network, and then designs the communication technology optimized matching algorithm based on the subjective preference and objective mathematical analysis. The algorithm weighs both the preference of the business to attributes and the importance of each attribute itself, and finally derives the most suitable communication technology for different power communication services, which fundamentally improves the performance of the terminal communication access network.