Trends in the use of social media young generation continues to increase, but not accompanied by the authority of digital ethics. Many cases of using social media ultimately threaten the integration and diversity of the nation. The subject of this study was teenagers aged 16-18 years of high school level who are active users of social media as many as 10 people, plus 2 teachers, meaning a total of 12 informants. The research method used qualitative with the case study method. Research findings show that many students did not understand digital ethics and were accustomed to using social media as they wish. Related to the constraints of strengthening integration and diversity, the low knowledge of digital ethics of peers, families and teachers, the character of students who have social media was only a place of existence and updating, psychological unstable and weak control. Moreover, students' understanding of integration and diversity was still at a theoretical level not yet on empirical experience, so strengthening integration and diversity through digital ethics was very important for students of their age who are unstable, puberty and did not understand the law. In conclusion, social media (Facebook, WA, Twitter) they can spread positive content, kindness and harmony.