Purpose/Significance The paper investigates the needs of different groups for the medical health knowledge graph, discusses the current situation and shortcomings of the research on the knowledge graph, and puts forward suggestions for the construction of the medical health knowledge graph. Method/Process Based on literature survey, questionnaire survey and expert interview, the medical health knowledge graph is analyzed from the aspects of data sources, key technologies, application scenarios and things to be improved. Result/Conclusion It is proposed to take national policies as guidance, rely on authoritative knowledge, support users’ full participation, pay attention to personal privacy and intellectual property protection, and build a multi-scene, visual, multilingual, multimodal medical health knowledge graph, a standard system and underlying data specification system that are easy to disseminate knowledge.