With the continuous development of communication networks and the national slogan of "energy saving and emission reduction",communication enterprises are actively working on ways of saving energy and reducing emission.This paper briefly introduces and studies the role of Centralized Power Equipment and Environment Monitoring System in communication networks,also summarizes the characterized functions and application situation of the system.This paper focuses on the analysis of the development of air-conditioning and switch power equipment for energy saving and emission reduction in the system,some directions of improving the performance of the equipments are also pointed out.At last,the trend of from Centralized Power Equipment and Environment Monitoring System to Integrated Computer Information Platform is also discussed in this paper.