Objectives: This study evaluated the effect of oriental treatments and rehabilitation on a patient with organic mental disorder after head trauma caused by traffic accident. Methods: We treated the patient with acupuncture, herb-medication, oriental psychotherapy, and rehabilitation. MMSE-K, BDI, K-MBI, FIM were evaluated before and after treatment. Results: The results indicated that MMSE-K was maintained at 27 points; BDI was reduced from 16 points to 5 points; K-MBI was increased from 75 points to 99 points; and FIM was increased from 86 points to 115 points. Furthermore, the treatment resulted in reduced mental symptoms and improved work capacity. Conclusions: Oriental medical treatment has potential validity in improving symptoms of organic mental disorder.