Purpose/Significance Using multimodal knowledge graph in perinatal health care continuing medical education is conducive to improving the quality of perinatal health care service for medical staff.Method/Process The top-level ontology is constructed based on the needs of students of perinatal health care continuing education project in Peking Union Medical College Hospital and the main characteristics of the courses, the classes, relationships and attributes are designed and defined, and different granularity teaching resources are used to represent the teaching content. The Protégé software is used to construct the instances of perinatal health care knowledge graph. Based on MedKaaS developed by our team, the further interactive construction of multi-modal entities, visualization, retrieval and question and answer of perinatal health care course knowledge are realized.Result/Conclusion The multimodal knowledge graph realizes the semantic integration of perinatal health care course content, and helps students learn perinatal health care knowledge intuitively and optionally.