Facebook is only an electronic communication among human but unfortunately it has become an addiction for all. Also it is a latest trend of the youth, particularly high level students and the university students as well. This paper examines the usage of Facebook among university students and the influence it has on their academic performance. The impact of Facebook can either be good or bad on university students and their academic activities. Even though a closer look on the real impact of Facebook reveals that it leads to several problems among the university students’ academic performances. Today Facebook is, however, ruining the future and academic carrier of university students. It motivate us to have a closer look to find the significance usage of Facebook by university students in their academic success with the help of a survey conducted by gathering the data among more than 250 students of different universities in Sri Lanka.