Objective To collect empirical cases of primary liver cancer treated with Chinese medicine,analyze the rules of their prescriptions,and provide references for the selection of prescriptions and ideas for clinical treatment.Methods A computer search was conducted on the China Knowledge Network(CNN) for empirical cases of TCM treatment of liver cancer,with the subject terms"primary liver cancer","TCM"and"liver cancer".The frequency of use of drugs,their nature and taste,and the results of Apriori correlation rule were used as indicators for statistical analysis.Results The most frequent drugs we...