目的 为了解西藏自治区拉萨市医用辐射防护现状。方法 按照《医疗卫生机构医用辐射防护监测工作方案》要求，选取拉萨市部分医疗机构，对放射工作场所的放射防护及设备性能进行检测，并对结果进行统计分析。结果 两年共计监测24家医疗机构，68台设备和64个工作场所，合格率分别为75.00%和92.19%。其中2016年共监测5家医疗机构，共计22台放射治疗设备和20个放射工作场所，合格率分别为59.09%和75.0%。2017年共监测19家医疗机构，共计46台放射治疗设备和44个放射工作场所，合格率分别为82.61%和100.0%。结论 西藏医疗机构放射诊疗设备性能及工作场所监测率较低，监测合格率不高，有关方面应引起重视，加强相关工作。

Objective To understand the current status of medical radiation protection in Lhasa, Tibet.Methods According to the requirements of the "Working Programme for Medical Radiation Protection Monitoring in Medical and Health Institutions", some medical institutions in Lhasa were selected to test the radiation protection and equipment performance of the radiation workplace, and the results were statistically analyzed.Results A total of 24 medical institutions, 68 equipment and 64 workplaces were monitored in two years, with a pass rate of 75.00% and 92.19% respectively. In 2016, 5 medical institutions were monitored, contained 22 radiotherapy equipment and 20 radiation workplaces, with a pass rate of 59.09% and 75.0% respectively. In 2017, 19 medical institutions were monitored, contained 46 radiotherapy equipment and 44 radiation workplaces, with a pass rate of 82.61% and 100.0% respectively.Conclusion The performance of radiology diagnosis and radiotherapy equipment and the monitoring rate of workplace in Tibet medical institutions are relatively low, and the monitoring pass rate is not high. Relevant parties should pay attention to and strengthen related work.