Objective: To research the distribution discipline of syndrome differentiation and syndrome factors on rheumatiod arthritis(RA) by system evaluating the neoteric literature of RA

and to give some evidences on the research of standardization and objectivity about traditional Chinese medicine syndrome. Method: According to retrieval strategy and inclusion criteria collect neoteric literature

to standardize the title of syndrome and extract syndrome factors

build up a literature data-base by epidata 2.0 software and analyze the data by SPSS 13.0 software. Result: the common types of syndrome are‘Yin’-deficiency of liver and kinder

Bi syndrome of wind cold and dampness

stagnation of heat dampness

Bi syndrome of wind heat and dampness

stagnation of phlegm and stasis

stagnation of cold dampness

deficiency of‘Qi’and‘Xue’.etc. The principal positions of the illness are liver

kinder and spleen. The principal characteristics of the illness are dampness

fire (heat)

cold

‘yin’deficiency

wind. Conclusion: Now the title of syndrome and the standard of diagnosis of syndrome are so complicated that hard to be used in clinical application and academic communication. So lead in the new concept of syndrome factors will establish the foundation for implementing quantization diagnosis about syndrome factors and the combination of syndrome factors.