Abstract: Chinese medicine is endowed with profound historical basis and is being inherited, developed and perfected constantly. The author believes that it is advisable to read lots of classical works of Chinese medicine so as to use them and inherit them. Attention should be paid to development and innovation, and to the deep understanding of the classics and to constant speculations in the clinical practice. The author enumerates examples to show the effect of a sound understanding of the classics such as Canon of Medicine, Treatise on Miscellaneous Febrile Diseases and on Febrile Diseases on clinical practice.