Background - Social media provides many positive impacts and ease of interaction, but not a few negative impacts, one of them is anxiety. Indonesia ranks 4th in the world in the use of social media with an average duration of usage for 8 hours 51 minutes every day. Though adolescence is an age where someone is very susceptible to anxiety. This anxiety if coupled with the high intensity of use of social media in adolescents is feared will have an effect on social interaction and cause anxiety to be higher and at risk of becoming social anxiety due to the lack of real communication to the social environment.Purpose - to find out the correlation between the intensity of the use of social media with the level of social anxietyin adolescentsMethods - This research uses observational method with Cross Srectional design.Results -  Based on the results of the data analysis test, the value of p = 0.00 (p 0.05) is obtainedConclusion -  There is a correlation between the intensity of the use of social media and social anxiety.