The classics of traditional Chinese medicine (TCM) is rich in content, profound connotation, and is the crystallization of experience of famous TCM doctors, the soul of TCM. Learning and inheriting classics are the responsibility of the traditional Chinese medicine students, and eventually return to clinical services. In opinion of Professor SUN Guangrong, the classical theories should be combined with clinical practice, "carefully reading the classics, do not forget the focal points;thoughts of applying are more importants than medicines or prescriptions;each theory can reference;knowing abou...