目的 探讨心理资本、社会支持对感染病科护士职业生涯状况影响的路径,为稳定感染病科护士队伍提供策略。方法 采用一般资料问卷、心理资本问卷、社会支持评定量表、职业生涯状况评价量表,整群抽取长沙市三级医院16个感染病科316名护理人员进行调查分析。结果 感染病科护士职业生涯状况量表总分为（78.11±13.63）分;心理资本对职业生涯状况的直接作用显著（β=0.602,P<0.001）;社会支持不仅直接影响职业生涯状况（β=0.228,P=0.011）,且以心理资本为中介变量间接影响职业生涯状况,中介效应占总效应比为63.1%。结论 感染病科护士职业生涯状况改善空间大,护理管理者可通过提高心理资本水平、社会支持度促进职业生涯状况良性发展。

Objective To explore the pathway of psychological capital and social support on career status among infection wards nurses and to provide strategies for stabilizing infection wards nurses. Methods A random cluster sampling method was used to investigate 316 nurses who came from 16 infectious disease departments in tertiary hospitals in Changsha. Questionnaires used in our study were general data questionnaire,Psychological Capital Questionnaire（PCQ）,Social Support Rating Scale（SSRS）,Career Status Evaluation Questionnaire（CSEQ）. Results The overall score of CSEQ by the infection wards nurses was 78.11±13.63. Psychological Capital had a significant indirect effect on Career Status（β=0.602,P<0.001）。Social support not only directly affected career status（β=0.228,P=0.011）,but also indirectly affects career status mediated by psychological capital. The mediating effect accounted for 63.1% of the total effects. Conclusion There was a large space for improving the career status of nurses in infectious diseases department. Administrators can promote the benign development of their career status by improving the level of psychological capital and social support.