Wushu and national traditional sports are important carriers for the development and dissemination of Chinese traditional culture. The article realizes the digital inheritance of this carrier by constructing a knowledge graph. The article combines the actual needs and the characteristics of the data in the field of wushu and national traditional sports culture to construct the process of knowledge graph, constructs the corpus of knowledge graph from the two dimensions of conceptual categorization and data acquisition, and carries out knowledge extraction on the data in the field of wushu and national traditional sports culture. Through empirical testing, this paper concludes that in the research literature in the field of wushu and traditional ethnic sports in China from 1998 to 2019, “wushu” has the highest frequency, with a frequency of 395 and a centrality of 0.85, and wushu culture has a frequency of 110 and a centrality of 0.66.