The rapid development of the Internet has brought new lifestyles，Socializing and new intergenerational relations to minors，which has become the main driving force of the new socialization of minors. This chapter mainly analyzes the changes of minors’ Internet use and interpersonal relationship，and the main findings are as follows：（1）the proportion of minors using the Internet to socialize is low as a whole，as well as its low frequency，including less use of social software and online community；（2）Minors know how to use the Internet to actively expand social interaction，while boys and senior students are more active；（3）Minors generally have a clear understanding of the positive and negative functions of the network；（4）The use of the Internet has improved the intergenerational relationship and enhanced parents’ understanding of their children；（5）With the growing up of minors，their privacy awareness is becoming stronger and stronger. They will make more privacy settings for mobile phones and share less with their parents. In addition，different student groups have obvious differences in the changes between Internet use and interpersonal relationships. Parents’ company can better shape children’s values and make them have more objective evaluation；Senior students will have more privacy，social desire and relatively more negative emotions because of growth and academic pressure，but less willing to share their inner world with their parents.