Objectives : In this case report, we will present three patients diagnosed with acute stress disorder or post-traumatic stress disorder improved by application of oriental medical treatments. Methods : We treated three patients with acute stress disorder or post-traumatic stress disorder by oriental medical treatments. The effect of oriental medical treatments were evaluated by STAI and clinical symptoms such as anxiety, insomnia, palpitation, startle response. Results : As a result of oriental treatments, clinical symptoms such as anxiety, insomnia, palpitation, startle response were improved, and STAI scores also decreased. Conclusions : These results suggest that oriental treatments may have an effect on acute stress disorder and post-traumatic stress disorder.