OBJECTIVE:To estabolish a quality standard of Kangshuai tablets(preperation of Chinese tradional medeine for controlling the quality of this reparation.METHODS:The TLC method was used to identifv Baizhu and Gancao and TLCS was used to determine ginsenoside Rg1in the preparation.RESULTS:The results showed that these methods are simple,specific and reproducible.CONCLUSION:This method can be used to control the quality of Kangshuai tablets.