As smartphones became popular, many social networking sites grew.The more frequent interaction with others in these social networking sites is that they tend to compare with others. Social comparisons proved to influence the satisfaction of real-life in the user's real life. The study examined how the influence of usage on social networking sites in recent years on social networking sites, motives, and social networking sites affected society, and how they affect the satisfaction of life. The study conducted a survey at a university in Seoul and analyzed the analysis through SPSS.