Abstract: The comprehensive energy service is a new energy service mode. This paper analyzes the current situation and main problems of comprehensive energy services carried out by coal-fired power enterprises, expounds the significance of comprehensive energy services carried out by coal-fired power enterprises, and analyzes and studies the main ways of comprehensive energy services that can be carried out by coal-fired power enterprises from five aspects: the implementation of three kinds of transformation of coal-fired power units, the improvement of supply capacity by multi-energy complementary, the enrichment of individual service scenarios, the construction of integrated projects and the innovation of business models, and on the basis, the paper puts forward some suggestions to promote the development of comprehensive energy services in coal-fired power enterprises.