Abstract: Objective To understand the professional value and core competence of specialty nurses in diabetes，and to analyze the influence of professional values on core competence. Methods By convenience sampling method，234 specialty nurses in diabetes in Anhui province were investigated by Nursing Professional Values Scale and Self-assessment Questionnaire on core competence. Results The average score of professional values of specialty nurse in diabetes was （3.86±0.62）. The score of core competence was（3.87±0.62）. There was a positive correlation between professional values and core competence of specialty nurse in diabetes （r=0.523，P＜0.001）. The professional values could independently explain 18.6% of the total variance in core competence. Conclusion The professional values of specialty nurses in diabetes are above the average level，and the core competence is generally at a high level. The two factors are positively correlated. Nursing managers should take active measures to improve the professional value level of specialty nurse in diabetes and accordingly to improve their core competence.

Key words: Diabetes； Specialties, Nursing； Professional values； Core competence