Purpose/Significance To analyze the construction framework and methods of an academic knowledge graph for knowledge service systems, and to provide references for the development of new knowledge services based on scientific and technological big data.Method/Process The paper proposes the framework and scheme for constructing an academic knowledge graph for knowledge service systems, and takes the Medical Knowledge Service System as an example to elaborate the construction steps and technologies in detail.Result/Conclusion Constructing an academic knowledge graph based on multiple types of scientific and technological data resources is instrumental in carrying out academic entity association mining and knowledge reasoning, improving the performance of scientific and technological data organization and management, and delivering more efficient knowledge services.