Weighted association rules is applied to extract the rules in the questionnaire of the nurses workplace deviant behavior.The sample includes 539 nurses.According to the importance of factors that influence workplace deviant behavior is inconsistent

based on the traditional Apriori algorithm for association rules

designing and implementing the mining algorithm of weighted associationg rules

to applied to the research of nurses workplace deviant behavior.It was shown that

compared with the Apriori algorithm

weighted association rules can extract more rules

and enhance the support and confidence of some of the rules

to make the rules easier to find.It shows that the method is feasible.