Abstract: Objective To explore the mediating role of professional identity in subjective social status,social support and occupational well-being among psychiatrists. Methods Convenience sampling method was used. From August to October 2022,a survey was conducted on 259 psychiatrists from 6 psychiatric hospitals and 4 comprehensive hospitals in Sichuan Province using ageneral information questionnaire,subjective social status scale,social support scale and psychiatrists professional identity scale,and the data were analyzed. Results The subjective social status score of psychiatrists was （5.14±1.58）points,social support score was （41.76±8.81）points,occupational happiness score was （80.34±16.79）points,and professional identity score was（87.04±13.22）points. Subjective social status was positively correlated with social support,occupational identity and occupational well-being（r=0.310,0.280,0.302,all P<0.01）. There was a partial mediating effect of professional identity between subjective social status and occupational happiness,accounting for 56.68% of the total effect. There was a partial mediating effect of professional identity between social support and occupational happiness,accounting for 56.57% of the total effect. Conclusion Subjective social status and social support can affect the occupational well-being of psychiatrists directly and indirectly through professional identity. Managers can enhance psychiatrists' professional identity by enhancing their subjective social status and social support,and thereby improving their occupational happiness.

Key words: Psychiatrist, Professional identity, Subjective social status, Social support, Occupational happiness, Mediating effect