Objectives : This case report presents a 68-year-old female patient. Her chief complaint was fatigue and depressed mood. During the therapeutic period, she experienced a sudden onset of unconsciousness. After two days, she became alert. We diagnosed her with conversion disorder. Methods : We treated her with Korean traditional herbal medicine (Chungsimyeonja-eum, Soum-In Bojungyikgi-tang, Hyeongbangjiwhang-tang) and oriental psychotherapy for 21 days. The effects of treatment were measured by Beck Depression Inventory (BDI), Zung Depression Rating Scale (SDS), and State-Trait Anxiety Inventory (STAI-X-1). Results : After treatment, the chief complaint and accompanying symptoms have been subsided and improved. Further, BDI, SDS, STAI-X-1 score were decreased. Conclusions : In this case, we recognized that Korean traditional herbal medicine and oriental psychotherapy could be effective for clinical symptoms of conversion disorder.