Objective To investigate the application efficacy of health belief-interaction model in the patients with lumbar disc herniation(LDH)undergoing posterior lumbar interbody fusion(PLIF).Methods Totally 80 LDH patients undergoing PLIF were randomly divided into control group and intervention group,40 cases in each group.The control group adopted the traditional education model,while the intervention group adopted the health belief-interaction model.The self-efficacy and lumbar function of the two groups were evaluated before and after intervention.Results The self-efficacy scores of the two group...