PURPOSE The aim of this study was to identify nurses' role in the delivery of health guidance service within the annual health guidance membership service. METHODS Dynamic job analysis process was applied with vertical job analysis and horizontal job analysis through a focus group workshop and expert survey. RESULTS As a result of this study, job description was established with 4 duties, 11 tasks, 60 task elements. Major duties consisted of 'professional nurse practice', 'coordination and cooperation', 'education and consultation', and 'administrative work and improvement'. A job process map was also framed. CONCLUSION The results can be used to establish nurses' role in providing health care service. Ongoing research on nurse's role as a health guider will be a fundamental base for health care service development and will contribute to expansion of common health management services.