Objective: To explore the relationship between the traditional Chinese medicine(TCM) formulae of different proportions and the treatment for diseases by using the method of statistical analysis. Method: We retrieved database containing 262 formulae of fructus schizandrae and zizyphi spinosi semen from the 'dictionary of traditional Chinese Medicine Formulae’

and then built the database to analyze the relationship among its ratio

corresponding rnajor disease and its department. Result: The ratio‘1 ∶1’appeared to be the most(46.95%)in the 262 formulae containing fructus schizandrae and zizyphi spinosi semen;which was most frequently used for the treatment of the diseases in internal medicines. Conclusion: Using the method of the statistical frequency analysis we can find the application pattern of the TCM formulae and provide a theoretical basis for effective application.