The internet emerged in Brazil in the early 90s,in states like Rio de Janeiro and São Paulo, primarily with access only for Universities and for research purposes and soon after with domestic access networks and mobile networks that went viral in all sectors and became an instrument of communication and information in all age groups, whether to meet and meet people, as well as for shopping, travel, research, among others. Along with the internet came the social media Orkut, Facebook, Whatsup, Twitter, Instagram, You Tube, Linkedin, used to look for a job, to shop, to study, to research and several other functions. On any subject, the internet offers an infinity of sites of everything you want to know just press and wait for the results. However, what has been observed in recent years has been an increase in access to sites aimed at information, as well as an increase in the number of people using this tool in order to learn a little more about various subjects. During the COVID-19 pandemic, social networks played an important role in passing on information about care and ways to prevent this condition. Therefore, this study aims to describe through a descriptive exploratory study, systematic review the role of social media as sources of information about COVID-19.