The advantages of traditional Chinese medicine(TCM)are mainly reflected in the individual treatment based on the dialectical classification，but herbalists through the hope，smell，question，cutting to the patient to carry on the syndrome classification are mainly based on experience，lacking of objective basis and standards，which make the progress of TCM syndrome slow，restricting its development.As a new technology，metabolomics can combine the syndrome with the specific metabolites that provides methods and means for the objective and standardization of TCM syndromes，making the recognition more credible.This article summaries the recent development of metabolomics in TCM syndrome classification research，in order to promote its application and development in the field of traditional Chinese medicine.