Online Mental Health Interventions for Children and Adolescents (OMHICA)

Mental health has become an increasing concern, especially among children and adolescents in schools. However, not all individuals in mental suboptimal states require pharmacological treatment. With the development of internet technology, internet-based psychological therapy methods are considered to have tremendous potential and are being given significant attention. Simultaneously, due to their convenience, these approaches are widely applied. Computerized Cognitive Behavioral Therapy (CCBT) can achieve its therapeutic effect by improving activation patterns of the brain\'s internal networks to promote self-regulation. Music Therapy (MT) can make peoples gradually relax via relaxing and soothing music, and regulate individual psychological emotions through the influence of music on individuals\' cerebral cortex, hypothalamus and limbic system, further improve the mood of daily tension and anxiety. Health Education works to provide parents with knowledge and information about mental health, aiming to help them better understand and support their own and their children\'s mental health, thereby improving parent-child relationships. The study was designed as a randomized clinical trial with four groups, the CCBT group, the MT group, the Health Education group and the control group in children and adolescent .The CCBT group, the MT group, and the Health Education group all completed their interventions through online self-help therapy. The control group did not receive any intervention. Data collection was conducted by trained, certified and qualified personnel. The mental health intervention is a crucial component of the \"School-based Evaluation Advancing Response for Child Health (SEARCH)\" cohort study, focusing on observing changes in the population undergoing the intervention within the cohort study.