Abstract
This study reports two cases of patients with cold hypersensitivity on hands and feet who were typed as the Soyangin. Although the two patients were experiencing the same symptom of cold hypersensitivity on hands and feet, we diagnosed one as a Soyangin Kyel-Hyung syndrome(結胸證) and the other as a Mang-eum syndrome(亡陰證). So we prescribed them Medications for Soyangin. And we used D.I.T.I.(Digital Infrared Thermal Imaging) to prove the improvement for cold hypersensitivity on hands and feet. The temperature change of D.I.T.I. after treatment showed that the main symptom After treatment, their symptoms were improved and the patients' D.I.T.I results also showed their improvement.