| The establishment of the State Power Corporation, the national five power generation companies, two power grid companies, four auxiliary industry companies and the power system reform of China’s power industry will have far-reaching impact on the development of power generation companies, How to develop and make strategy to adapt to the new situation needs in the separation of generationbidding system operators have become a new topic for power supply companies. Open, competitive, orderly and transparent electricity market has become the inevitable choice of China’s electricity market reform and development. In the new situation, power enterprises should establish an important concept which includes adhering to the "customer first, service first" market-oriented, market-oriented oriented, improving customer satisfaction and value growth, providing high quality of electricity services by modern marketing, and achieving social the unity of the effectiveness and economic efficiency of enterprises.This paper will study customer satisfaction and service marketing of Yunnan XX Power Supply Bureau, and build customer satisfaction evaluation index system on the basis of explaining the power customer satisfaction, service marketing theory and questionnaire survey. Then this paper analyzes the problems of Yunnan XX Power Supply Bureau in improving customer satisfaction and carrying out the service marketing, and makes service marketing strategy based on customer satisfaction. |