Background: COVID-19 pandemic not only causes physical problems but also becomes a stressor and give problems to mental health that are commonly found in adolescence. Mental health disorders, such as anxiety and depression, can increase the risk of many physical health problems and reduce performance in work and social environment as well. Therefore, this literature review is aimed to discuss further and to broaden insight about the importance of mental health disorders and efforts to prevent mental health disorders among teenagers during the COVID-19 pandemic. Reviews: The COVID-19 pandemic has negative impacts in mental health. Depression and anxiety are the most common mental health condition in the general population that reported an increase until three times compared before the pandemic. Several studies about COVID-19 and anxiety showed that the younger population (especially young adults) tended to have more anxiety. The most distressing issue for teenagers in the pandemic is not being able to see their friends, being fear of their friends or family getting sick or dying from COVID-19. In addition, when compared to the older population, the younger population also uses social media more often that can cause anxiety due to information overload and misinformation. Summary: COVID-19 pandemic gives rise to various mental health problems among teenagers. Understanding the symptoms and prevention of mental health disorders such as health promotion and protection from specific mental illness are becoming the primary prevention of mental health problems