Objective:To research the rules in ancient prescriptions of Chinese medicine for female infertility by association rules.To provide theoretical basis for treating female infertility by TCM,and discuss the possibility of study TCM by association rules.Methods:The prescription database was retrieved to establish infertility treatment prescription database,then analyze the database by Apriori method of association rules.Results:In 199 prescriptions which met the inclusion criteria,Danggui had the highest frequ...