The growing popularity of cyberspace and educational requirements in the new ecological environment of the Corona has further enhanced students' virtual communication on social media. The present study is a quasi-experimental research in the form of pre-test-post-test with a control group and examines the effectiveness of cyber social intelligence training on students' virtual communication in social networks. The statistical population of the study is students in the course of thinking and media literacy of one of the boys' high schools in Kermanshah in the academic year 1401-1400. Experiments (30 people) were performed. Virtual communication type data were collected by a researcher-made questionnaire whose validity and reliability had been calculated before. ) And SPSS 28 software were used. Based on the results of cyber social intelligence training (by controlling the effect of pre-test as a scattering factor on post-test) had a significant effect on increasing normal and positive communication with a coefficient of 0.49 and reducing abnormal and harmful communication with a coefficient of 0.52. Therefore, the main hypothesis of the research that "teaching cyber social intelligence has an effect on students' virtual communication" is confirmed.