Objective: To explore the influence mechanism of professional identity on work engagement
of military archives secrecy professionals, and to provide theoretical basis for improving their work
engagement. Methods: A total of 129 military archives secrecy professionals were investigated with the
Occupational Identity Scale, Work Involvement Scale and Psychological Capital Scale. Results: There
was a positive correlation between the professional identity of military archives secrecy professionals and
the two variables of work engagement and psychological capital (p<0.05). Psychological capital played
a partial mediating role between the professional identity of military archives secrecy professionals
and work engagement. Conclusion: Improving the professional identity of military archives secrecy
professionals, focusing on training and improving psychological capital, is conducive to improving the
work engagement of military archives secrecy professionals.