Objective : This study was aimed to investigate the effective treatment for patients with thoracic outlet syndrome. Method : This study was carried out to established the clinical criteria of thoracic outlet syndrome. We collected and analyzed the data of patients had come to the GyeonWoo Oriental Medical Clinic after traffic accidents from January 1, 2011 to December 31, 2011. The patients with thoracic outlet syndrome were treated with acupuncture, chuna therapy for 4 weeks. Visual Analog Scale(V.A.S.) was used as the tools determining the effects of oriental medical treatment on neck pain. Result : The treatment of Korean Medicine(KM) including acupuncture, chuna therapy decreased V.A.S. significantly. Conclusion : Acupuncture, chuna therapy were useful treatment for relieving the hand paresthesia due to thoracic outlet syndrome.