[Purpose/significance] As a powerful weapon,intelligence service is bestowed with the mission to turn China into a powerful country.It’s pivotal for future intelligence service reform and development to respond quickly and meet China’s decision-making need regarding national security and development with high quality and large-scale intelligence supply.[Method/progress] This paper constructs a pentagon model interpretation framework for intelligence supply reform through analysis of existing major problems in the intelligence services facilitating government’s decision-making practice with regard to national security and development from the perspective of supply-side structure.[Result/conclusion] Based on the pentagon model interpretation framework,the paper probes into the supply reform from five aspects and provides countermeasures and suggestions to make intelligence services guide and facilitate important decisions related to national security governance and social development,that is,optimizing the hierarchy of intelligence services to cut overcapacity,promoting service upgrading to reduce inventory,spurring technical innovation to lower the cost,improving the intelligence environment to strengthen the areas of weakness and preventing safety risk for deleveraging.