Obsessive-compulsive disorder （OCD） in children and adolescents is characterized by obsessive-compulsive thinking and obsessive-compulsive behavior， with high prevalence， high disability， and difficult treatment. In addition to the commonly used treatment methods such as drug therapy and cognitive behavioral therapy， there are also repetitive transcranial magnetic stimulation treatment， traditional Chinese medicine treatment， etc. However， there is a lack of unified treatment standard. This article expounds the main treatment methods of OCD in children and adolescents， which can provide reference for clinical treatment and scientific research and improve the quality of life of patients with OCD.