Abstract: With the continuous development of social ecological civilization construction,the construction industry is also constantly moving towards the development direction of ecological harmony,green environmental protection and environment-friendly.Energy saving,green and environmental protection building materials should be vigorously used in the construction of engineering projects as far as possible,and on this basis,all construction links and construction technologies of the project should be comprehensively optimized,While reducing the project cost,achieve the construction effect and purpose of energy conservation,green and environmental protection.This paper will focus on the application practice and development trend of energy-saving and green building materials in engineering, and put forward scientific suggestions for reference only.