Objective To study and contruct competency characteristic evaluation models of nursing supervisors in secondly hospitals.Methods Using the matron semi-structured interviews,literature review,questionnaire survey and expert questionnaires to discuss the competency of nursing supervisors in secodary hospitals.Results We found that the competency model of nursing supervisors in secondary hospitals could better reflect the competency of nursing supervisors.The model had 16 competencies which included knewleage skills.management and individual characters.Conclusions Through the study of the model of competency nursing supervisors in secondary hospitals,we form a set of standard for nursing supervisor selection based on their competency.The standard can help to select the most suited nursing supervisors who have great potentials.