Traditional Chinese medicine theory is the macro function on the basis of the human body, the emphasis on the functional properties of human macro comprehensive study on Western medicine theory is the anatomy of the human body for basic research, the emphasis on the local structure and specific physiological function of the relationship between the analysis of drug research, Chinese medicine from the grasp of the human role, Western medicine is from structure to the role of the exact location of study. Differentiation and diagnosis of the two medical theories on the status of reciprocity. The difference between lies in the principle of different classification of diseases, from different angles. Local biased towards Western medicine, Chinese medicine biased towards overall. In the understanding of the drug, the Chinese emphasis on research on human drugs, the ultimate overall effect. Emphasis on Western medicine is the molecular structure of drugs, location and role of local tissue and organ specific effects on the subject. Chinese medicine is the way (on the basis of non-toxic) clinical efficacy as a first thrust. According to the theories of Chinese medicine, clinical symptoms and the final parameters level completely grasp the disease, drugs to treat diseases choice, a Western medicine can be achieved when unable to obtain results. This is precisely the advantages of Chinese medicine and Western Medicine relative, as well as the medical value.