At Federal Center of Invalid Expertize and Rehabilitation 175 adolescents with 11-111 degree idiopathic scoliosis were under the treatment. To increase the efficacy of conservative treatment new fixative-reclination corset with springing inserts as well as new functional corrective corset were worked out and those corsets were applied for the treatment of patients. In patients with II degree deformity correction ofprimary arch was from 37% in thoracic to 80% in lumbar scoliosis. In patients with III degree deformity correction made up from 29% in thoracic to 61%o in combined scoliosis. Those data were obtained at radiologic examination in terms under 3 years.