This research aims to investigate the effects of Tai Chi and relaxation techniques on adolescents (12-19 years old) with chronic somatoform disorders. These disorders are characterized by unexplained physical symptoms, such as abdominal pain and headaches, that cannot be linked to any identifiable medical condition. Adolescents with these disorders often experience frequent medical consultations, hospitalizations, and a negative impact on their daily lives, including school attendance, social interactions, and family relationships. Tai Chi, a non-medicinal mind-body practice, has shown promise in reducing chronic pain, stress, and anxiety in both children and adults. Given its non-violent, accessible nature, Tai Chi is an appealing option for adolescents experiencing somatoform symptoms. It is believed that Tai Chi can help alleviate physical pain, manage stress, and improve mood, thus enhancing the adolescents' overall quality of life. The main objective of this study is to quantify the changes in somatoform symptoms, pain levels, medication use, healthcare visits (including emergency consultations), school absenteeism, and the overall quality of life before and after five weeks of Tai Chi sessions. Secondary objectives include evaluating the reduction of anxiety and depression through standardized questionnaires, such as the HAD scale. Additionally, the study will gather qualitative data to assess the motivations, benefits, and barriers to practicing Tai Chi among the adolescents. The research will involve adolescents from the Trousseau Hospital's adolescent medicine unit. Data will be collected prospectively, providing important insights that may pave the way for future randomized controlled trials. This study hopes to offer a new, non-medical approach to managing chronic somatoform disorders and improving the well-being of adolescents affected by them.