目的 调查和分析泌尿外科护士对尿石症相关饮食知识的了解情况，并分析影响其了解程度的相关因素。方法 采用自制尿石症相关饮食知识认知问卷对上海市6所三级甲等医院泌尿外科护士进行调查，采用SPSS 16.0统计软件进行系统描述分析。结果 6所医院的护士对尿石症相关饮食知识的认知正确性平均得分为（9.41±1.84）分（总分为20分）。不同年龄和工作年限的护士对草酸钙方面的饮食知识认知差异存在统计学意义(P<0.05)。结论 泌尿外科护士对尿石症相关饮食知识认知度上存在一定欠缺。应增加护士获取知识更新的机会，丰富护士对尿石症相关饮食知识的教育途径来提高掌握程度。

Objective To investigate the dietary knowledge about urolithiasis among nurses of Department of Urology, and analyse the influential factors. Methods One self-designed questionnaire of dietary knowledge about urolithiasis was utilized to investigate the nurses of Department of Urology in 6 tertiary hospitals, and all data were analysed with SPSS 16.0 software. Results The average score of dietary knowledge about urolithiasis of nurses in 6 hospitals was （9.41±1.84）(total score, 20). There were significant differences in scores of dietary knowledge about calcium oxalate among nurses of different ages and working periods (P<0.05). Conclusion Nurses of Department of Urology have deficiency in dietary knowledge about urolithiasis. Nurses should have more chances to obtain up-to-date information, and have more ways of education to learn dietary knowledge about urolithiasis.