Abstract: Objective: To construct evaluation index system of core competence among preview emergency triage nurses. Methods: Totally 14 clinical nursing expertsand nursing management experts were investigated by self-designed questionnaire using Delphi expert consultation method. Results: Experts familiar coefficient was 0.849. The judgment coefficient was 0.835 and the authority coefficient was 0.705. The evaluation index system of core competence among preview emergency triage nurses included 6 firstlevel indexes, 16 second level indexes, and 50 third level indexes. The Cronbach's α was 0.807. Conclusion: The expert opinionis scientific and reliable and all showed high reliability. The results could provide references for core competence evaluation, training, assessment, and access for preview emergency triage nurses.