Facebook a social networking site has already grasped the attention of young generation.All ages and all classes of people are using facebook but the purpose is something different.middle aged people, businessmen,teachers,political figures also others uses facebook.. Their main purpose is to build up social network accelerate the social welfare.Our young generation is also using facebook but the purpose is something anomaly. Using facebook young generation is passing their most valuable time . Even in classroom they use facebook ! What a generation we are likely getting in near future.Another survey found that those students who have multimedia handset passes more time in facebook rather than Study. Many open fake facebook account using others address, picture, information. Even online crime has been increasing which also persuaded by using facebook.Many has been targeted and cheated using facebook. More will be written later.