This study examines the relationship between use of Facebook, a popular online social network site, and the formation and maintenance of social capital. In addition to assessing bonding and bridging social capital, we explore a dimension of social capital that assesses one’s ability to stay connected with members of a previously inhabited community, which we call maintained social capital. The trend of using face book among teenagers and students increasing now days therefore we conduct a survey of 200 people in the form of questionnaire, Convenience sampling use in our survey and gather information regarding our research, According to the questionnaire we have found the result that the people do not agree for using face book among teenagers is suitable and beneficial although students are the main user of face book but they are not using face book for right purpose and the result shows the same, therefore teenagers should quit face book and get through for this addictive social networking. Keywords : Social Network, Facebook, Teenagers, Addictive, Online Network.