Therefore, as a practitioner of traditional Chinese medicine, Du Heng didn't reject the use of advanced medical instruments. Especially for certain specific diseases, he even considered them necessary, such as reduction of fractures in orthopedics and tumor chemotherapies. However, this only applied to certain special diseases. At other times, he believed that if traditional Chinese medicine could avoid using instruments, it should do so as much as possible. This was particularly true for Traditional Chinese Medicine Internal Medicine Department; its approach to differential diagnosis was entirely different from instrument-based examinations. Treating only the presenting symptoms of a disease was, for Traditional Chinese Medicine Doctors, the greatest mistake and a source of humiliation.
