Key Lab of Famous Doctor Empirical Formulae Appraisal and Transformation of State Administration of Traditional Chinese Medicine was established in 2013 upon the approval of State Administration of Traditional Chinese Medicine. Research directions: (1) research into the appraisal methods of empirical formulae of famous doctors; (2) research into the action mechanism of empirical formulae of famous doctors; (3) research into the efficacy evaluation of empirical formulae of famous doctors; (4) research into the material basis of empirical formulae of famous doctors.