Psychological interventions is a methodological approach encompassing structured techniques derived from psychological science aimed at alleviating distress, modifying maladaptive behaviors or cognitions, and promoting psychological well-being. As a significant research domain, it investigates the efficacy, effectiveness, mechanisms of action, and optimal implementation of these techniques across diverse populations and clinical presentations. Characterized by their theoretical foundations and rigorous empirical evaluation, psychological interventions form a cornerstone of evidence-based practice in mental health, contributing substantially to the prevention and treatment of psychological disorders and the enhancement of human functioning.