In early 2020, the new crown pneumonia epidemic swept in, in order to block the spread of the epidemic to the campus, the Ministry of Education issued the "spring semester delayed school opening" request, "stop classes do not stop" the voice immediately rang. At one time, how to combine modern information technology with the teaching content of various subjects to maximize the efficiency of online teaching has become the primary problem for every teacher to think about, and in this environment, the dance educators who are mainly based on the traditional teaching form of "oral teaching" also ushered in a great test. By analyzing the advantages and disadvantages of traditional dance teaching methods and based on the author's online teaching practice activities for one semester, this paper makes a comprehensive analysis of the application value and significance of modern information technology in Chinese dance teaching, in order to further enrich the Chinese dance teaching mode, optimize the dance teaching resources, make the dance teaching methods and contents more in line with the requirements of China's modern technology, and provide theoretical basis and practical operation guidance for the future modern dance teaching mode.