Social Networking Sites (SNSs) are introduced to make easy social interaction and connection. SNSs are increasingly everywhere and there is growing demand. Among all SNSs Facebook has a keen popularity. People’s behaviors and attitudes, related with the ways of maintaining friendship in the Facebook and peoples activities in a public domain have negative implications for friendships. The virtual friendship has significant difference with real life friendship. The purpose of this study is to explore grounds and practices of Facebook friendship and construct analysis of virtual friendship and real life friendship. One hundred current Facebook users completed a survey that evaluated various factors that closely related with friendship.