OBJECTIVE To explore the clinical application and features of Glycyrrhizae prescriptions with incompatible herbs by doing the survey and contrastive analysis in different third-grade class-A hospitals from the central and eastern parts of China.METHODS Clinical prescriptions containing Glycyrrhizae with incompatible herbs were collected.Association rules were utilized to analyze the compatible features of these herbs.RESULTS The drugs with the highest support in the two places are:liquorice root,seaweed,Ind...