Utilizing Instagram social media is very important to reach all levels of society to obtain information. Especially in the modern era, people really need information on various social media. Social media has the advantage of supporting the quality of service that will be provided to visitors. Social media can make it easier for people to access data and various information in libraries. Social media can also be a forum for collaborating with existing writers in creating activities such as book reviews. Librarians can be more innovative to create new services that are not yet available in libraries. Librarians can also improve their skills through social media. The purpose of writing this manuscript is so that the Depok city public library can have a greater number of Instagram followers and increase visitors coming to the library. The implementation method is the descriptive method. The results of creating interesting and consistent content will introduce libraries to all levels of society. The use of Instagram was chosen because many people use it, both teenagers and adults. so that users know where the Depok City Public Library is located and the various activities carried out by the Depok City Public Library every day. Unfortunately, the Depok City Public Library's Instagram was hit by hackers as a result of which quite a lot of followers were lost and they finally created a new Instagram. The solution is to create more interesting content about the library so that followers can grow more. Keywords: Social Media; Instagram; Promotion; Library