This course includes a brief introduction to the historical background and evolution of Traditional Chinese Medicine. This course mainly introduces the theories of Yin and Yang, the Five Elements, Zang Fu, Qi, Blood, Body Fluid, Etiology, Pathogenesis, and General Rules of Prevention and Treatment. This course introduces the classic methods of diagnosis of Traditional Chinese Medicine: inspection, auscultation and olfaction, inquiry and palpation. This course also emphasis how to combine the Four Diagnostic Methods to obtain a comprehensive and systematic understanding of the condition of disease.