Résumé
The study on syndrome of TCM is a key topic on basic research of TCM. Among the whole system of TCM, the syndrome of TCM is in the core position. It is the bridge which connecting the clinic with the basic theories. This paper has carried on the discussion from the study of syndrome standardization and essence of syndromes. We reviewed and analyzed the present situation of syndrome, and explored the development and tendency of the research on syndrome. The following suggestions have been put forward:extracting the syndrome elements is the precondition and the comparison of diseases and their relevant syndromes is the main idea to establish the standardization of criterion of syndromes in clinical diagnosis. studying the essence of syndrome on the basis of system biology by methods of proteomics and metabolism to explore the scientifi c connotation of TCM syndrome.