Purpose/significance This paper conducts a systematic review of the knowledge graph research in the field of digital humanities, aiming to provide possible future research directions and open research topics. Method/process By taking relevant paper published in domestic and foreign conferences and journals as the research objects and using the comprehensive induction method, the theoretical and practical development of the knowledge graph in the field of digital humanities was systematically combed. Then it explained the related concepts of the knowledge graph in the field of digital humanities. And according to the current research hot spots, this paper revealed its research trends from three aspects of the data resource construction, key construction technologies and intelligent application platforms. Finally, it showed the prospects for future research trends. Result/conclusion This paper summarized the future trends of the knowledge graph research in the field of digital humanities. In the future, i