目的了解2008—2013年南京市鼓楼医院放射工作人员接受职业性外照射的剂量水平。方法采用热释光法监测。结果 2008—2013年南京市鼓楼医院监测放射工作人员1 025人次,人均年有效剂量为0.37 mSv,,核医学组人均年有效剂量最高,为0.58 mSv。结论南京市鼓楼医院放射工作人员人均年有效剂量均在国家规定剂量限值以下,工作环境是安全的,核医学和介入放射工作人员是今后防护的重点。 Objective To understand the dose levels of radiation exposure to occupational external radiation received by Drum Tower Hospital in Nanjing from 2008 to 2013. Methods The method of thermoluminescence monitoring. Results In 2008-2013, there were 1 025 radiologists monitored in Drum Tower Hospital of Nanjing City. The annual average effective dose per person was 0.37 mSv. The annual effective dose of nuclear medicine group was the highest, 0.58 mSv. Conclusions The annual per capita effective dose of radiation workers in Drum Tower Hospital in Nanjing is below the dose limit prescribed by the State and the working environment is safe. Nuclear medicine and interventional radiological staffs are the focus of future protection.