Panic disorder is categorized as psychiatric disorder in which the patient stimulated by particular situation has a sudden attack of extreme fear. In this case report, a male aged 59 years old with phobia experiences which occurred when driving on the highway, crossing through the tunnel, and entering the bank, had been treated before but failed to relieve, therefore he sought for therapy with traditional Chinese medicine in our hospital. According to the therapy principal that "fear causes qi to precipitate down", summarized from "The Yellow Emperor's Inner Canon", we consider that the cause of this disease is due to falling of qi that induce insufficient heart energy, which result in fright and fear. Therefore, the principal of treatment is to uplift yang qi, and the treatment method are composed of activating the spleen, adjusting the liver, and energizing the kidney, thus leading qi to go upward to the heart. After treatment of herbs, phobic syndromes were significantly alleviated, so the patient stopped taking western medicines later. Panic disorder in this patient was pacified and rarely relapsed for 17 months with herbs administration. After ending his treatment, routine follow-up is continued, and the patient didn't relapse.