Objective To observe the effect of clinical therapy of using six flavor glutinous rehmannis pill on chronic adult pe- riodontal inflammation.Methods 120 adult patientswho have been cured fortheir periodontitiswere selected and divided into two groups randomly. Control group was only treated with SRP(scaling and root planning), and test group was requested to take six flavor glutinous rehmannis pills orally for 5 months after SRP.Results Aftertaking the medicine for 5 months, RPD (reduction in probing depth) was 0.43 mm, GAL(gain in attachment level) was 0.22 mm and was quite different from the control group(P
