This document provides a framework for understanding problematic internet behaviors in children and adolescents. It defines problematic internet behaviors as excessive internet usage that causes functional impairment. The document discusses screening tools for problematic internet behaviors, including the Chinese Internet Addiction Scale and Young's Internet Addiction Test. It also reviews treatment approaches such as CBT, medication, family therapy, and approaches to working with teens and parents. The key messages are to screen for problematic behaviors at well-visits, consider psychiatric co-morbidities, educate parents, and empower teens to make thoughtful decisions online.