Idiopathic scoliosis is a complex three-dimensional deformity of the spine. There is two ways in treatment of scoliosis, normally. In order to prevent a progressive course of the disorder, conservative treatment is started in selected patients. And sometimes, operation is performed to severe patients. But, application standard is vague. So We reviewed the latest medical theses. English language articles in Medline database between 2003 and 2005. 8. 31. were reviewed. The searching words was Idiopathic scoliosis, conservative treatment, brace. exercise. We classified 27 articles. The results of this research demonstrate that conservative treatment is more effective than observation until operation.