Objectives: The purpose of this study is to find the effect of Keumsuyukgunjeongamibang and aromatherapy on a child diagnosed with mycoplasma pneumonia. Methods: The child had been treated with herbal medicine and aromatherapy for 8 days. In order to examine the improvement, chest X-ray and blood test were performed. Results: Various symptoms, such as, coughing, rhinorrhea, dyspnea, was disappeared. The series of 4 X-ray images and blood test proved that the patient has improved. Conclusions: The result of this study shows that administration of Keumsuyukgunjeongamibang and aromatherapy are effective in treatment of mycoplasma pneumonia.