Analyzing the co authorship in the field of synchronous classroom in China is of great significance to correctly grasp the scientific research cooperation in this field. This paper takes the Chinese journal papers collected by CNKI from 2011 to 2020 as the data source, generates the co-occurrence matrix with the help of sati software, constructs the co authorship network in the synchronous classroom field with the social network analysis software UCINET, and carries out the network density analysis, network average distance analysis, core edge ...